Finding the Third Proportional to 2,644,756 and 3,928,254

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644,756 : 3,928,254 = 3,928,254 : x
2. Step 2: Convert to fraction form
   2,644,756/3,928,254 = 3,928,254/x
3. Step 3: Cross multiply
   2,644,756x = 3,928,254 × 3,928,254
4. Step 4: Simplify right side
   2,644,756x = 15,431,179,488,516
5. Step 5: Solve for x
   x = 15,431,179,488,516/2,644,756
6. Step 6: Final answer
   x = 5,834,632.57