Finding the Third Proportional to 87,664.78 and 132,089.48

Step by Step Solution

1. Step 1: Write the proportion equation
   87,664.78 : 132,089.48 = 132,089.48 : x
2. Step 2: Convert to fraction form
   87,664.78/132,089.48 = 132,089.48/x
3. Step 3: Cross multiply
   87,664.78x = 132,089.48 × 132,089.48
4. Step 4: Simplify right side
   87,664.78x = 17,447,631,882.45
5. Step 5: Solve for x
   x = 17,447,631,882.45/87,664.78
6. Step 6: Final answer
   x = 199,026.70