Well it's pretty clear that he is trusting Bilbo to live up to his potential. He chose him because he could see there was "more about him than you guess". He is trusting him to take on more responsibility and to be able to "look after the dwarfs" Bilbo is to start showing his talents and thinking on his feet. help them stay out of danger. As to whether or not he can that's got to come from you.
I cannot provide you with the page number because not all books of the same name have the exact amount of pages.
