Finding the Third Proportional to 2,280,478 and 4,957,886

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280,478 : 4,957,886 = 4,957,886 : x
2. Step 2: Convert to fraction form
   2,280,478/4,957,886 = 4,957,886/x
3. Step 3: Cross multiply
   2,280,478x = 4,957,886 × 4,957,886
4. Step 4: Simplify right side
   2,280,478x = 24,580,633,588,996
5. Step 5: Solve for x
   x = 24,580,633,588,996/2,280,478
6. Step 6: Final answer
   x = 10,778,719.90