Finding the Third Proportional to 198,079 and 269,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,079 : 269,131.50 = 269,131.50 : x
2. Step 2: Convert to fraction form
   198,079/269,131.50 = 269,131.50/x
3. Step 3: Cross multiply
   198,079x = 269,131.50 × 269,131.50
4. Step 4: Simplify right side
   198,079x = 72,431,764,292.25
5. Step 5: Solve for x
   x = 72,431,764,292.25/198,079
6. Step 6: Final answer
   x = 365,671.09