Finding the Third Proportional to 1,397,823 and 3,057,357

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,823 : 3,057,357 = 3,057,357 : x
2. Step 2: Convert to fraction form
   1,397,823/3,057,357 = 3,057,357/x
3. Step 3: Cross multiply
   1,397,823x = 3,057,357 × 3,057,357
4. Step 4: Simplify right side
   1,397,823x = 9,347,431,825,449
5. Step 5: Solve for x
   x = 9,347,431,825,449/1,397,823
6. Step 6: Final answer
   x = 6,687,135.51