Finding the Third Proportional to 1,398,066 and 3,057,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,066 : 3,057,798 = 3,057,798 : x
2. Step 2: Convert to fraction form
   1,398,066/3,057,798 = 3,057,798/x
3. Step 3: Cross multiply
   1,398,066x = 3,057,798 × 3,057,798
4. Step 4: Simplify right side
   1,398,066x = 9,350,128,608,804
5. Step 5: Solve for x
   x = 9,350,128,608,804/1,398,066
6. Step 6: Final answer
   x = 6,687,902.15