Finding the Third Proportional to 2,418,388 and 5,278,846

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418,388 : 5,278,846 = 5,278,846 : x
2. Step 2: Convert to fraction form
   2,418,388/5,278,846 = 5,278,846/x
3. Step 3: Cross multiply
   2,418,388x = 5,278,846 × 5,278,846
4. Step 4: Simplify right side
   2,418,388x = 27,866,215,091,716
5. Step 5: Solve for x
   x = 27,866,215,091,716/2,418,388
6. Step 6: Final answer
   x = 11,522,640.33