Finding the Third Proportional to 685,449 and 1,004,751

Step by Step Solution

1. Step 1: Write the proportion equation
   685,449 : 1,004,751 = 1,004,751 : x
2. Step 2: Convert to fraction form
   685,449/1,004,751 = 1,004,751/x
3. Step 3: Cross multiply
   685,449x = 1,004,751 × 1,004,751
4. Step 4: Simplify right side
   685,449x = 1,009,524,572,001
5. Step 5: Solve for x
   x = 1,009,524,572,001/685,449
6. Step 6: Final answer
   x = 1,472,793.12