Finding the Third Proportional to 88,429.50 and 137,025

Step by Step Solution

1. Step 1: Write the proportion equation
   88,429.50 : 137,025 = 137,025 : x
2. Step 2: Convert to fraction form
   88,429.50/137,025 = 137,025/x
3. Step 3: Cross multiply
   88,429.50x = 137,025 × 137,025
4. Step 4: Simplify right side
   88,429.50x = 18,775,850,625
5. Step 5: Solve for x
   x = 18,775,850,625/88,429.50
6. Step 6: Final answer
   x = 212,325.65