The first card in the reading is the Two of Wands, which represents a time of challenge and uncertainty. This indicates that your nephew is facing a complex situation and needs support to start his business. His decision hasn't been made yet, but there's a good chance that with someone else's help he might be able to make it through.

The second card in the reading is Strength reversed, this indicates that there are some obstacles on the way to the goal. These obstacles can be both material and psychological, so it's important to offer support and encouragement to your grandchild. It may be difficult for him to make the right decisions, so expert advice on financial matters will be needed.

Finally, the third card in the reading is the Queen of Swords, which represents a period of stability and balance. This suggests that if your nephew gets the right support and advice from you, then he can achieve his financial goals. You will need to analyze the situation carefully to determine if lending money is the most appropriate choice.

In conclusion, from the drawn cards it appears that you can help your grandchild achieve his financial goals by providing him with support and advice. However, before making any decision it is important to carefully consider all aspects of the situation, including the pros and cons of choosing to lend him money. It is safe to say that the answer to the question is "Yes", however it will still be necessary to carefully evaluate all aspects before arriving at a definitive conclusion.