Finding the Third Proportional to 2,436,779 and 5,280,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436,779 : 5,280,340 = 5,280,340 : x
2. Step 2: Convert to fraction form
   2,436,779/5,280,340 = 5,280,340/x
3. Step 3: Cross multiply
   2,436,779x = 5,280,340 × 5,280,340
4. Step 4: Simplify right side
   2,436,779x = 27,881,990,515,600
5. Step 5: Solve for x
   x = 27,881,990,515,600/2,436,779
6. Step 6: Final answer
   x = 11,442,149.87