There are two cities, one with 100,000 people and the other with 1,000,000 people. The above problem

Question:

There are two cities, one with 100,000 people and the other with 1,000,000 people.
The above problem shows that most people live in places that are more crowded than average. In each case, find the average size of a city, the average crowding a person experiences, and the fraction of people who live in places more crowded than average.