Finding the Third Proportional to 1,398,480 and 3,062,721

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,480 : 3,062,721 = 3,062,721 : x
2. Step 2: Convert to fraction form
   1,398,480/3,062,721 = 3,062,721/x
3. Step 3: Cross multiply
   1,398,480x = 3,062,721 × 3,062,721
4. Step 4: Simplify right side
   1,398,480x = 9,380,259,923,841
5. Step 5: Solve for x
   x = 9,380,259,923,841/1,398,480
6. Step 6: Final answer
   x = 6,707,468.05