Finding the Third Proportional to 2,418,440 and 5,278,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418,440 : 5,278,976 = 5,278,976 : x
2. Step 2: Convert to fraction form
   2,418,440/5,278,976 = 5,278,976/x
3. Step 3: Cross multiply
   2,418,440x = 5,278,976 × 5,278,976
4. Step 4: Simplify right side
   2,418,440x = 27,867,587,608,576
5. Step 5: Solve for x
   x = 27,867,587,608,576/2,418,440
6. Step 6: Final answer
   x = 11,522,960.09