Finding the Third Proportional to 2,486,378 and 3,839,403

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,378 : 3,839,403 = 3,839,403 : x
2. Step 2: Convert to fraction form
   2,486,378/3,839,403 = 3,839,403/x
3. Step 3: Cross multiply
   2,486,378x = 3,839,403 × 3,839,403
4. Step 4: Simplify right side
   2,486,378x = 14,741,015,396,409
5. Step 5: Solve for x
   x = 14,741,015,396,409/2,486,378
6. Step 6: Final answer
   x = 5,928,710.52