Finding the Third Proportional to 56,628,369 and 124,061,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,628,369 : 124,061,242.50 = 124,061,242.50 : x
2. Step 2: Convert to fraction form
   56,628,369/124,061,242.50 = 124,061,242.50/x
3. Step 3: Cross multiply
   56,628,369x = 124,061,242.50 × 124,061,242.50
4. Step 4: Simplify right side
   56,628,369x = 15,391,191,890,643,806
5. Step 5: Solve for x
   x = 15,391,191,890,643,806/56,628,369
6. Step 6: Final answer
   x = 271,792,957.53