Finding the Third Proportional to 111,469,939.50 and 233,103,678

Step by Step Solution

1. Step 1: Write the proportion equation
   111,469,939.50 : 233,103,678 = 233,103,678 : x
2. Step 2: Convert to fraction form
   111,469,939.50/233,103,678 = 233,103,678/x
3. Step 3: Cross multiply
   111,469,939.50x = 233,103,678 × 233,103,678
4. Step 4: Simplify right side
   111,469,939.50x = 54,337,324,697,127,680
5. Step 5: Solve for x
   x = 54,337,324,697,127,680/111,469,939.50
6. Step 6: Final answer
   x = 487,461,686.45