Finding the Third Proportional to 1,397,912 and 3,057,494

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,912 : 3,057,494 = 3,057,494 : x
2. Step 2: Convert to fraction form
   1,397,912/3,057,494 = 3,057,494/x
3. Step 3: Cross multiply
   1,397,912x = 3,057,494 × 3,057,494
4. Step 4: Simplify right side
   1,397,912x = 9,348,269,560,036
5. Step 5: Solve for x
   x = 9,348,269,560,036/1,397,912
6. Step 6: Final answer
   x = 6,687,309.04