Finding the Third Proportional to 2,644,769 and 3,928,269

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644,769 : 3,928,269 = 3,928,269 : x
2. Step 2: Convert to fraction form
   2,644,769/3,928,269 = 3,928,269/x
3. Step 3: Cross multiply
   2,644,769x = 3,928,269 × 3,928,269
4. Step 4: Simplify right side
   2,644,769x = 15,431,297,336,361
5. Step 5: Solve for x
   x = 15,431,297,336,361/2,644,769
6. Step 6: Final answer
   x = 5,834,648.45