Finding the Third Proportional to 131,666 and 198,662

Step by Step Solution

1. Step 1: Write the proportion equation
   131,666 : 198,662 = 198,662 : x
2. Step 2: Convert to fraction form
   131,666/198,662 = 198,662/x
3. Step 3: Cross multiply
   131,666x = 198,662 × 198,662
4. Step 4: Simplify right side
   131,666x = 39,466,590,244
5. Step 5: Solve for x
   x = 39,466,590,244/131,666
6. Step 6: Final answer
   x = 299,747.77