Finding the Third Proportional to 86,812 and 131,150

Step by Step Solution

1. Step 1: Write the proportion equation
   86,812 : 131,150 = 131,150 : x
2. Step 2: Convert to fraction form
   86,812/131,150 = 131,150/x
3. Step 3: Cross multiply
   86,812x = 131,150 × 131,150
4. Step 4: Simplify right side
   86,812x = 17,200,322,500
5. Step 5: Solve for x
   x = 17,200,322,500/86,812
6. Step 6: Final answer
   x = 198,133.01