Finding the Third Proportional to 2,278,620 and 4,948,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278,620 : 4,948,443 = 4,948,443 : x
2. Step 2: Convert to fraction form
   2,278,620/4,948,443 = 4,948,443/x
3. Step 3: Cross multiply
   2,278,620x = 4,948,443 × 4,948,443
4. Step 4: Simplify right side
   2,278,620x = 24,487,088,124,249
5. Step 5: Solve for x
   x = 24,487,088,124,249/2,278,620
6. Step 6: Final answer
   x = 10,746,455.37