Finding the Third Proportional to 1,397,697 and 3,057,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,697 : 3,057,108 = 3,057,108 : x
2. Step 2: Convert to fraction form
   1,397,697/3,057,108 = 3,057,108/x
3. Step 3: Cross multiply
   1,397,697x = 3,057,108 × 3,057,108
4. Step 4: Simplify right side
   1,397,697x = 9,345,909,323,664
5. Step 5: Solve for x
   x = 9,345,909,323,664/1,397,697
6. Step 6: Final answer
   x = 6,686,649.05