Finding the Third Proportional to 87,778.69 and 132,443.44

Step by Step Solution

1. Step 1: Write the proportion equation
   87,778.69 : 132,443.44 = 132,443.44 : x
2. Step 2: Convert to fraction form
   87,778.69/132,443.44 = 132,443.44/x
3. Step 3: Cross multiply
   87,778.69x = 132,443.44 × 132,443.44
4. Step 4: Simplify right side
   87,778.69x = 17,541,264,136.82
5. Step 5: Solve for x
   x = 17,541,264,136.82/87,778.69
6. Step 6: Final answer
   x = 199,835.12