Finding the Third Proportional to 2,755,620 and 4,344,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755,620 : 4,344,678 = 4,344,678 : x
2. Step 2: Convert to fraction form
   2,755,620/4,344,678 = 4,344,678/x
3. Step 3: Cross multiply
   2,755,620x = 4,344,678 × 4,344,678
4. Step 4: Simplify right side
   2,755,620x = 18,876,226,923,684
5. Step 5: Solve for x
   x = 18,876,226,923,684/2,755,620
6. Step 6: Final answer
   x = 6,850,083.44