Finding the Third Proportional to 87,469 and 131,180

Step by Step Solution

1. Step 1: Write the proportion equation
   87,469 : 131,180 = 131,180 : x
2. Step 2: Convert to fraction form
   87,469/131,180 = 131,180/x
3. Step 3: Cross multiply
   87,469x = 131,180 × 131,180
4. Step 4: Simplify right side
   87,469x = 17,208,192,400
5. Step 5: Solve for x
   x = 17,208,192,400/87,469
6. Step 6: Final answer
   x = 196,734.76