Finding the Third Proportional to 132,314 and 198,499

Step by Step Solution

1. Step 1: Write the proportion equation
   132,314 : 198,499 = 198,499 : x
2. Step 2: Convert to fraction form
   132,314/198,499 = 198,499/x
3. Step 3: Cross multiply
   132,314x = 198,499 × 198,499
4. Step 4: Simplify right side
   132,314x = 39,401,853,001
5. Step 5: Solve for x
   x = 39,401,853,001/132,314
6. Step 6: Final answer
   x = 297,790.51