Finding the Third Proportional to 439,035 and 656,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   439,035 : 656,680.50 = 656,680.50 : x
2. Step 2: Convert to fraction form
   439,035/656,680.50 = 656,680.50/x
3. Step 3: Cross multiply
   439,035x = 656,680.50 × 656,680.50
4. Step 4: Simplify right side
   439,035x = 431,229,279,080.25
5. Step 5: Solve for x
   x = 431,229,279,080.25/439,035
6. Step 6: Final answer
   x = 982,220.73