Finding the Third Proportional to 111,469,920 and 233,103,639

Step by Step Solution

1. Step 1: Write the proportion equation
   111,469,920 : 233,103,639 = 233,103,639 : x
2. Step 2: Convert to fraction form
   111,469,920/233,103,639 = 233,103,639/x
3. Step 3: Cross multiply
   111,469,920x = 233,103,639 × 233,103,639
4. Step 4: Simplify right side
   111,469,920x = 54,337,306,515,042,320
5. Step 5: Solve for x
   x = 54,337,306,515,042,320/111,469,920
6. Step 6: Final answer
   x = 487,461,608.61