Finding the Third Proportional to 2,486,838 and 3,954,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,838 : 3,954,443 = 3,954,443 : x
2. Step 2: Convert to fraction form
   2,486,838/3,954,443 = 3,954,443/x
3. Step 3: Cross multiply
   2,486,838x = 3,954,443 × 3,954,443
4. Step 4: Simplify right side
   2,486,838x = 15,637,619,440,249
5. Step 5: Solve for x
   x = 15,637,619,440,249/2,486,838
6. Step 6: Final answer
   x = 6,288,153.65