Finding the Third Proportional to 56,788,391.25 and 123,526,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,788,391.25 : 123,526,693.50 = 123,526,693.50 : x
2. Step 2: Convert to fraction form
   56,788,391.25/123,526,693.50 = 123,526,693.50/x
3. Step 3: Cross multiply
   56,788,391.25x = 123,526,693.50 × 123,526,693.50
4. Step 4: Simplify right side
   56,788,391.25x = 15,258,844,007,042,942
5. Step 5: Solve for x
   x = 15,258,844,007,042,942/56,788,391.25
6. Step 6: Final answer
   x = 268,696,535.88