Finding the Third Proportional to 441,498 and 679,470.75

Step by Step Solution

1. Step 1: Write the proportion equation
   441,498 : 679,470.75 = 679,470.75 : x
2. Step 2: Convert to fraction form
   441,498/679,470.75 = 679,470.75/x
3. Step 3: Cross multiply
   441,498x = 679,470.75 × 679,470.75
4. Step 4: Simplify right side
   441,498x = 461,680,500,105.56
5. Step 5: Solve for x
   x = 461,680,500,105.56/441,498
6. Step 6: Final answer
   x = 1,045,713.68