Finding the Third Proportional to 2,280,479 and 4,957,890

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280,479 : 4,957,890 = 4,957,890 : x
2. Step 2: Convert to fraction form
   2,280,479/4,957,890 = 4,957,890/x
3. Step 3: Cross multiply
   2,280,479x = 4,957,890 × 4,957,890
4. Step 4: Simplify right side
   2,280,479x = 24,580,673,252,100
5. Step 5: Solve for x
   x = 24,580,673,252,100/2,280,479
6. Step 6: Final answer
   x = 10,778,732.56