Finding the Third Proportional to 123,744,024.75 and 257,651,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,744,024.75 : 257,651,443.50 = 257,651,443.50 : x
2. Step 2: Convert to fraction form
   123,744,024.75/257,651,443.50 = 257,651,443.50/x
3. Step 3: Cross multiply
   123,744,024.75x = 257,651,443.50 × 257,651,443.50
4. Step 4: Simplify right side
   123,744,024.75x = 66,384,266,337,633,696
5. Step 5: Solve for x
   x = 66,384,266,337,633,696/123,744,024.75
6. Step 6: Final answer
   x = 536,464,418.96