Finding the Third Proportional to 198,502.50 and 431,994

Step by Step Solution

1. Step 1: Write the proportion equation
   198,502.50 : 431,994 = 431,994 : x
2. Step 2: Convert to fraction form
   198,502.50/431,994 = 431,994/x
3. Step 3: Cross multiply
   198,502.50x = 431,994 × 431,994
4. Step 4: Simplify right side
   198,502.50x = 186,618,816,036
5. Step 5: Solve for x
   x = 186,618,816,036/198,502.50
6. Step 6: Final answer
   x = 940,133.33