Finding the Third Proportional to 1,397,829 and 3,057,366

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,829 : 3,057,366 = 3,057,366 : x
2. Step 2: Convert to fraction form
   1,397,829/3,057,366 = 3,057,366/x
3. Step 3: Cross multiply
   1,397,829x = 3,057,366 × 3,057,366
4. Step 4: Simplify right side
   1,397,829x = 9,347,486,857,956
5. Step 5: Solve for x
   x = 9,347,486,857,956/1,397,829
6. Step 6: Final answer
   x = 6,687,146.18