Finding the Third Proportional to 111,469,828.50 and 233,103,456

Step by Step Solution

1. Step 1: Write the proportion equation
   111,469,828.50 : 233,103,456 = 233,103,456 : x
2. Step 2: Convert to fraction form
   111,469,828.50/233,103,456 = 233,103,456/x
3. Step 3: Cross multiply
   111,469,828.50x = 233,103,456 × 233,103,456
4. Step 4: Simplify right side
   111,469,828.50x = 54,337,221,199,143,936
5. Step 5: Solve for x
   x = 54,337,221,199,143,936/111,469,828.50
6. Step 6: Final answer
   x = 487,461,243.37