Finding the Third Proportional to 2,280,478 and 4,957,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280,478 : 4,957,888 = 4,957,888 : x
2. Step 2: Convert to fraction form
   2,280,478/4,957,888 = 4,957,888/x
3. Step 3: Cross multiply
   2,280,478x = 4,957,888 × 4,957,888
4. Step 4: Simplify right side
   2,280,478x = 24,580,653,420,544
5. Step 5: Solve for x
   x = 24,580,653,420,544/2,280,478
6. Step 6: Final answer
   x = 10,778,728.59