Finding the Third Proportional to 111,469,806 and 233,103,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,469,806 : 233,103,415.50 = 233,103,415.50 : x
2. Step 2: Convert to fraction form
   111,469,806/233,103,415.50 = 233,103,415.50/x
3. Step 3: Cross multiply
   111,469,806x = 233,103,415.50 × 233,103,415.50
4. Step 4: Simplify right side
   111,469,806x = 54,337,202,317,765,640
5. Step 5: Solve for x
   x = 54,337,202,317,765,640/111,469,806
6. Step 6: Final answer
   x = 487,461,172.38