Finding the Third Proportional to 2,486,389 and 3,839,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,389 : 3,839,420 = 3,839,420 : x
2. Step 2: Convert to fraction form
   2,486,389/3,839,420 = 3,839,420/x
3. Step 3: Cross multiply
   2,486,389x = 3,839,420 × 3,839,420
4. Step 4: Simplify right side
   2,486,389x = 14,741,145,936,400
5. Step 5: Solve for x
   x = 14,741,145,936,400/2,486,389
6. Step 6: Final answer
   x = 5,928,736.79