Finding the Third Proportional to 88,300 and 132,812

Step by Step Solution

1. Step 1: Write the proportion equation
   88,300 : 132,812 = 132,812 : x
2. Step 2: Convert to fraction form
   88,300/132,812 = 132,812/x
3. Step 3: Cross multiply
   88,300x = 132,812 × 132,812
4. Step 4: Simplify right side
   88,300x = 17,639,027,344
5. Step 5: Solve for x
   x = 17,639,027,344/88,300
6. Step 6: Final answer
   x = 199,762.48