Finding the Third Proportional to 86,311.50 and 132,486

Step by Step Solution

1. Step 1: Write the proportion equation
   86,311.50 : 132,486 = 132,486 : x
2. Step 2: Convert to fraction form
   86,311.50/132,486 = 132,486/x
3. Step 3: Cross multiply
   86,311.50x = 132,486 × 132,486
4. Step 4: Simplify right side
   86,311.50x = 17,552,540,196
5. Step 5: Solve for x
   x = 17,552,540,196/86,311.50
6. Step 6: Final answer
   x = 203,362.71