Finding the Third Proportional to 87,402 and 131,055

Step by Step Solution

1. Step 1: Write the proportion equation
   87,402 : 131,055 = 131,055 : x
2. Step 2: Convert to fraction form
   87,402/131,055 = 131,055/x
3. Step 3: Cross multiply
   87,402x = 131,055 × 131,055
4. Step 4: Simplify right side
   87,402x = 17,175,413,025
5. Step 5: Solve for x
   x = 17,175,413,025/87,402
6. Step 6: Final answer
   x = 196,510.53