Finding the Third Proportional to 2,644,803 and 3,928,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644,803 : 3,928,320 = 3,928,320 : x
2. Step 2: Convert to fraction form
   2,644,803/3,928,320 = 3,928,320/x
3. Step 3: Cross multiply
   2,644,803x = 3,928,320 × 3,928,320
4. Step 4: Simplify right side
   2,644,803x = 15,431,698,022,400
5. Step 5: Solve for x
   x = 15,431,698,022,400/2,644,803
6. Step 6: Final answer
   x = 5,834,724.94