Finding the Third Proportional to 1,397,870 and 3,057,452

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,870 : 3,057,452 = 3,057,452 : x
2. Step 2: Convert to fraction form
   1,397,870/3,057,452 = 3,057,452/x
3. Step 3: Cross multiply
   1,397,870x = 3,057,452 × 3,057,452
4. Step 4: Simplify right side
   1,397,870x = 9,348,012,732,304
5. Step 5: Solve for x
   x = 9,348,012,732,304/1,397,870
6. Step 6: Final answer
   x = 6,687,326.24