Finding the Third Proportional to 86,492 and 131,482

Step by Step Solution

1. Step 1: Write the proportion equation
   86,492 : 131,482 = 131,482 : x
2. Step 2: Convert to fraction form
   86,492/131,482 = 131,482/x
3. Step 3: Cross multiply
   86,492x = 131,482 × 131,482
4. Step 4: Simplify right side
   86,492x = 17,287,516,324
5. Step 5: Solve for x
   x = 17,287,516,324/86,492
6. Step 6: Final answer
   x = 199,874.17