Finding the Third Proportional to 1,397,876 and 3,057,464

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,876 : 3,057,464 = 3,057,464 : x
2. Step 2: Convert to fraction form
   1,397,876/3,057,464 = 3,057,464/x
3. Step 3: Cross multiply
   1,397,876x = 3,057,464 × 3,057,464
4. Step 4: Simplify right side
   1,397,876x = 9,348,086,111,296
5. Step 5: Solve for x
   x = 9,348,086,111,296/1,397,876
6. Step 6: Final answer
   x = 6,687,350.03