Finding the Third Proportional to 88,978 and 132,507

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978 : 132,507 = 132,507 : x
2. Step 2: Convert to fraction form
   88,978/132,507 = 132,507/x
3. Step 3: Cross multiply
   88,978x = 132,507 × 132,507
4. Step 4: Simplify right side
   88,978x = 17,558,105,049
5. Step 5: Solve for x
   x = 17,558,105,049/88,978
6. Step 6: Final answer
   x = 197,330.86