Finding the Third Proportional to 113,910,570 and 248,520,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,910,570 : 248,520,592.50 = 248,520,592.50 : x
2. Step 2: Convert to fraction form
   113,910,570/248,520,592.50 = 248,520,592.50/x
3. Step 3: Cross multiply
   113,910,570x = 248,520,592.50 × 248,520,592.50
4. Step 4: Simplify right side
   113,910,570x = 61,762,484,896,551,056
5. Step 5: Solve for x
   x = 61,762,484,896,551,056/113,910,570
6. Step 6: Final answer
   x = 542,201,526.13