Finding the Third Proportional to 1,397,854 and 3,057,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,854 : 3,057,416 = 3,057,416 : x
2. Step 2: Convert to fraction form
   1,397,854/3,057,416 = 3,057,416/x
3. Step 3: Cross multiply
   1,397,854x = 3,057,416 × 3,057,416
4. Step 4: Simplify right side
   1,397,854x = 9,347,792,597,056
5. Step 5: Solve for x
   x = 9,347,792,597,056/1,397,854
6. Step 6: Final answer
   x = 6,687,245.30