Finding the Third Proportional to 1,397,856 and 3,057,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,856 : 3,057,424 = 3,057,424 : x
2. Step 2: Convert to fraction form
   1,397,856/3,057,424 = 3,057,424/x
3. Step 3: Cross multiply
   1,397,856x = 3,057,424 × 3,057,424
4. Step 4: Simplify right side
   1,397,856x = 9,347,841,515,776
5. Step 5: Solve for x
   x = 9,347,841,515,776/1,397,856
6. Step 6: Final answer
   x = 6,687,270.73