Finding the Third Proportional to 71,810,989.50 and 113,728,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,810,989.50 : 113,728,408.50 = 113,728,408.50 : x
2. Step 2: Convert to fraction form
   71,810,989.50/113,728,408.50 = 113,728,408.50/x
3. Step 3: Cross multiply
   71,810,989.50x = 113,728,408.50 × 113,728,408.50
4. Step 4: Simplify right side
   71,810,989.50x = 12,934,150,899,942,872
5. Step 5: Solve for x
   x = 12,934,150,899,942,872/71,810,989.50
6. Step 6: Final answer
   x = 180,113,809.74