Finding the Third Proportional to 88,200 and 132,499

Step by Step Solution

1. Step 1: Write the proportion equation
   88,200 : 132,499 = 132,499 : x
2. Step 2: Convert to fraction form
   88,200/132,499 = 132,499/x
3. Step 3: Cross multiply
   88,200x = 132,499 × 132,499
4. Step 4: Simplify right side
   88,200x = 17,555,985,001
5. Step 5: Solve for x
   x = 17,555,985,001/88,200
6. Step 6: Final answer
   x = 199,047.45