Finding the Third Proportional to 87,779 and 132,443

Step by Step Solution

1. Step 1: Write the proportion equation
   87,779 : 132,443 = 132,443 : x
2. Step 2: Convert to fraction form
   87,779/132,443 = 132,443/x
3. Step 3: Cross multiply
   87,779x = 132,443 × 132,443
4. Step 4: Simplify right side
   87,779x = 17,541,148,249
5. Step 5: Solve for x
   x = 17,541,148,249/87,779
6. Step 6: Final answer
   x = 199,833.08