Finding the Third Proportional to 2,510,728 and 5,490,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510,728 : 5,490,928 = 5,490,928 : x
2. Step 2: Convert to fraction form
   2,510,728/5,490,928 = 5,490,928/x
3. Step 3: Cross multiply
   2,510,728x = 5,490,928 × 5,490,928
4. Step 4: Simplify right side
   2,510,728x = 30,150,290,301,184
5. Step 5: Solve for x
   x = 30,150,290,301,184/2,510,728
6. Step 6: Final answer
   x = 12,008,584.88