Finding the Third Proportional to 674,494 and 1,396,530

Step by Step Solution

1. Step 1: Write the proportion equation
   674,494 : 1,396,530 = 1,396,530 : x
2. Step 2: Convert to fraction form
   674,494/1,396,530 = 1,396,530/x
3. Step 3: Cross multiply
   674,494x = 1,396,530 × 1,396,530
4. Step 4: Simplify right side
   674,494x = 1,950,296,040,900
5. Step 5: Solve for x
   x = 1,950,296,040,900/674,494
6. Step 6: Final answer
   x = 2,891,495.02