Finding the Third Proportional to 87,540 and 131,274

Step by Step Solution

1. Step 1: Write the proportion equation
   87,540 : 131,274 = 131,274 : x
2. Step 2: Convert to fraction form
   87,540/131,274 = 131,274/x
3. Step 3: Cross multiply
   87,540x = 131,274 × 131,274
4. Step 4: Simplify right side
   87,540x = 17,232,863,076
5. Step 5: Solve for x
   x = 17,232,863,076/87,540
6. Step 6: Final answer
   x = 196,857.01