Finding the Third Proportional to 1,397,860 and 3,057,426

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,860 : 3,057,426 = 3,057,426 : x
2. Step 2: Convert to fraction form
   1,397,860/3,057,426 = 3,057,426/x
3. Step 3: Cross multiply
   1,397,860x = 3,057,426 × 3,057,426
4. Step 4: Simplify right side
   1,397,860x = 9,347,853,745,476
5. Step 5: Solve for x
   x = 9,347,853,745,476/1,397,860
6. Step 6: Final answer
   x = 6,687,260.34