Finding the Third Proportional to 1,397,706 and 3,057,126

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,706 : 3,057,126 = 3,057,126 : x
2. Step 2: Convert to fraction form
   1,397,706/3,057,126 = 3,057,126/x
3. Step 3: Cross multiply
   1,397,706x = 3,057,126 × 3,057,126
4. Step 4: Simplify right side
   1,397,706x = 9,346,019,379,876
5. Step 5: Solve for x
   x = 9,346,019,379,876/1,397,706
6. Step 6: Final answer
   x = 6,686,684.74