Finding the Third Proportional to 2,799,854 and 4,343,638

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799,854 : 4,343,638 = 4,343,638 : x
2. Step 2: Convert to fraction form
   2,799,854/4,343,638 = 4,343,638/x
3. Step 3: Cross multiply
   2,799,854x = 4,343,638 × 4,343,638
4. Step 4: Simplify right side
   2,799,854x = 18,867,191,075,044
5. Step 5: Solve for x
   x = 18,867,191,075,044/2,799,854
6. Step 6: Final answer
   x = 6,738,633.90