Finding the Third Proportional to 2,440,978 and 5,105,028

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440,978 : 5,105,028 = 5,105,028 : x
2. Step 2: Convert to fraction form
   2,440,978/5,105,028 = 5,105,028/x
3. Step 3: Cross multiply
   2,440,978x = 5,105,028 × 5,105,028
4. Step 4: Simplify right side
   2,440,978x = 26,061,310,880,784
5. Step 5: Solve for x
   x = 26,061,310,880,784/2,440,978
6. Step 6: Final answer
   x = 10,676,585.73