I am unsure of what usage the present participle uses in a sentence like "He is seven feet tall, making him the tallest person in the room." I checked the wikipedia article for participles
http://en.wikipedia.org/wiki/Participle#English
but none of them seem to fit. For example, I don't think it fits into "adverbially, the subject being understood to be the same as that of the main clause" since "he" is the object of "making" and the subject seems to be something else, and it doesn't seem to fit "similarly, but with a different subject, placed before the participle" since there is no subject in "making him the tallest person in the room."