Finding the Third Proportional to 2,605,942 and 3,986,411

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,942 : 3,986,411 = 3,986,411 : x
2. Step 2: Convert to fraction form
   2,605,942/3,986,411 = 3,986,411/x
3. Step 3: Cross multiply
   2,605,942x = 3,986,411 × 3,986,411
4. Step 4: Simplify right side
   2,605,942x = 15,891,472,660,921
5. Step 5: Solve for x
   x = 15,891,472,660,921/2,605,942
6. Step 6: Final answer
   x = 6,098,168.21