Finding the Third Proportional to 441,293 and 681,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   441,293 : 681,910.50 = 681,910.50 : x
2. Step 2: Convert to fraction form
   441,293/681,910.50 = 681,910.50/x
3. Step 3: Cross multiply
   441,293x = 681,910.50 × 681,910.50
4. Step 4: Simplify right side
   441,293x = 465,001,930,010.25
5. Step 5: Solve for x
   x = 465,001,930,010.25/441,293
6. Step 6: Final answer
   x = 1,053,726.05