Finding the Third Proportional to 2,418,255 and 5,278,608

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418,255 : 5,278,608 = 5,278,608 : x
2. Step 2: Convert to fraction form
   2,418,255/5,278,608 = 5,278,608/x
3. Step 3: Cross multiply
   2,418,255x = 5,278,608 × 5,278,608
4. Step 4: Simplify right side
   2,418,255x = 27,863,702,417,664
5. Step 5: Solve for x
   x = 27,863,702,417,664/2,418,255
6. Step 6: Final answer
   x = 11,522,235.01