Finding the Third Proportional to 88,592 and 132,640

Step by Step Solution

1. Step 1: Write the proportion equation
   88,592 : 132,640 = 132,640 : x
2. Step 2: Convert to fraction form
   88,592/132,640 = 132,640/x
3. Step 3: Cross multiply
   88,592x = 132,640 × 132,640
4. Step 4: Simplify right side
   88,592x = 17,593,369,600
5. Step 5: Solve for x
   x = 17,593,369,600/88,592
6. Step 6: Final answer
   x = 198,588.69