Finding the Third Proportional to 1,442,589 and 3,078,249

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,589 : 3,078,249 = 3,078,249 : x
2. Step 2: Convert to fraction form
   1,442,589/3,078,249 = 3,078,249/x
3. Step 3: Cross multiply
   1,442,589x = 3,078,249 × 3,078,249
4. Step 4: Simplify right side
   1,442,589x = 9,475,616,906,001
5. Step 5: Solve for x
   x = 9,475,616,906,001/1,442,589
6. Step 6: Final answer
   x = 6,568,479.94