Finding the Third Proportional to 131,482 and 200,499

Step by Step Solution

1. Step 1: Write the proportion equation
   131,482 : 200,499 = 200,499 : x
2. Step 2: Convert to fraction form
   131,482/200,499 = 200,499/x
3. Step 3: Cross multiply
   131,482x = 200,499 × 200,499
4. Step 4: Simplify right side
   131,482x = 40,199,849,001
5. Step 5: Solve for x
   x = 40,199,849,001/131,482
6. Step 6: Final answer
   x = 305,744.12