Finding the Third Proportional to 88,728 and 132,774

Step by Step Solution

1. Step 1: Write the proportion equation
   88,728 : 132,774 = 132,774 : x
2. Step 2: Convert to fraction form
   88,728/132,774 = 132,774/x
3. Step 3: Cross multiply
   88,728x = 132,774 × 132,774
4. Step 4: Simplify right side
   88,728x = 17,628,935,076
5. Step 5: Solve for x
   x = 17,628,935,076/88,728
6. Step 6: Final answer
   x = 198,685.14