Finding the Third Proportional to 3,649,574 and 5,335,689

Step by Step Solution

1. Step 1: Write the proportion equation
   3,649,574 : 5,335,689 = 5,335,689 : x
2. Step 2: Convert to fraction form
   3,649,574/5,335,689 = 5,335,689/x
3. Step 3: Cross multiply
   3,649,574x = 5,335,689 × 5,335,689
4. Step 4: Simplify right side
   3,649,574x = 28,469,577,104,721
5. Step 5: Solve for x
   x = 28,469,577,104,721/3,649,574
6. Step 6: Final answer
   x = 7,800,794.59