Finding the Third Proportional to 4,647,864 and 10,067,556

Step by Step Solution

1. Step 1: Write the proportion equation
   4,647,864 : 10,067,556 = 10,067,556 : x
2. Step 2: Convert to fraction form
   4,647,864/10,067,556 = 10,067,556/x
3. Step 3: Cross multiply
   4,647,864x = 10,067,556 × 10,067,556
4. Step 4: Simplify right side
   4,647,864x = 101,355,683,813,136
5. Step 5: Solve for x
   x = 101,355,683,813,136/4,647,864
6. Step 6: Final answer
   x = 21,806,938.37