Finding the Third Proportional to 670,350 and 1,428,398

Step by Step Solution

1. Step 1: Write the proportion equation
   670,350 : 1,428,398 = 1,428,398 : x
2. Step 2: Convert to fraction form
   670,350/1,428,398 = 1,428,398/x
3. Step 3: Cross multiply
   670,350x = 1,428,398 × 1,428,398
4. Step 4: Simplify right side
   670,350x = 2,040,320,846,404
5. Step 5: Solve for x
   x = 2,040,320,846,404/670,350
6. Step 6: Final answer
   x = 3,043,665.02