Finding the Third Proportional to 87,156 and 130,392

Step by Step Solution

1. Step 1: Write the proportion equation
   87,156 : 130,392 = 130,392 : x
2. Step 2: Convert to fraction form
   87,156/130,392 = 130,392/x
3. Step 3: Cross multiply
   87,156x = 130,392 × 130,392
4. Step 4: Simplify right side
   87,156x = 17,002,073,664
5. Step 5: Solve for x
   x = 17,002,073,664/87,156
6. Step 6: Final answer
   x = 195,076.34