Finding the Third Proportional to 2,840,920 and 4,264,661

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840,920 : 4,264,661 = 4,264,661 : x
2. Step 2: Convert to fraction form
   2,840,920/4,264,661 = 4,264,661/x
3. Step 3: Cross multiply
   2,840,920x = 4,264,661 × 4,264,661
4. Step 4: Simplify right side
   2,840,920x = 18,187,333,444,921
5. Step 5: Solve for x
   x = 18,187,333,444,921/2,840,920
6. Step 6: Final answer
   x = 6,401,916.79