Finding the Third Proportional to 1,397,918 and 3,057,506

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,918 : 3,057,506 = 3,057,506 : x
2. Step 2: Convert to fraction form
   1,397,918/3,057,506 = 3,057,506/x
3. Step 3: Cross multiply
   1,397,918x = 3,057,506 × 3,057,506
4. Step 4: Simplify right side
   1,397,918x = 9,348,342,940,036
5. Step 5: Solve for x
   x = 9,348,342,940,036/1,397,918
6. Step 6: Final answer
   x = 6,687,332.83