Finding the Third Proportional to 88,663 and 132,993

Step by Step Solution

1. Step 1: Write the proportion equation
   88,663 : 132,993 = 132,993 : x
2. Step 2: Convert to fraction form
   88,663/132,993 = 132,993/x
3. Step 3: Cross multiply
   88,663x = 132,993 × 132,993
4. Step 4: Simplify right side
   88,663x = 17,687,138,049
5. Step 5: Solve for x
   x = 17,687,138,049/88,663
6. Step 6: Final answer
   x = 199,487.25