Finding the Third Proportional to 2,799,840 and 4,343,616

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799,840 : 4,343,616 = 4,343,616 : x
2. Step 2: Convert to fraction form
   2,799,840/4,343,616 = 4,343,616/x
3. Step 3: Cross multiply
   2,799,840x = 4,343,616 × 4,343,616
4. Step 4: Simplify right side
   2,799,840x = 18,866,999,955,456
5. Step 5: Solve for x
   x = 18,866,999,955,456/2,799,840
6. Step 6: Final answer
   x = 6,738,599.33