Finding the Third Proportional to 1,397,868 and 3,057,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,868 : 3,057,448 = 3,057,448 : x
2. Step 2: Convert to fraction form
   1,397,868/3,057,448 = 3,057,448/x
3. Step 3: Cross multiply
   1,397,868x = 3,057,448 × 3,057,448
4. Step 4: Simplify right side
   1,397,868x = 9,347,988,272,704
5. Step 5: Solve for x
   x = 9,347,988,272,704/1,397,868
6. Step 6: Final answer
   x = 6,687,318.31