Finding the Third Proportional to 71,810,977.50 and 113,728,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,810,977.50 : 113,728,390.50 = 113,728,390.50 : x
2. Step 2: Convert to fraction form
   71,810,977.50/113,728,390.50 = 113,728,390.50/x
3. Step 3: Cross multiply
   71,810,977.50x = 113,728,390.50 × 113,728,390.50
4. Step 4: Simplify right side
   71,810,977.50x = 12,934,146,805,720,490
5. Step 5: Solve for x
   x = 12,934,146,805,720,490/71,810,977.50
6. Step 6: Final answer
   x = 180,113,782.82