Finding the Third Proportional to 3,535,320 and 5,405,679

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535,320 : 5,405,679 = 5,405,679 : x
2. Step 2: Convert to fraction form
   3,535,320/5,405,679 = 5,405,679/x
3. Step 3: Cross multiply
   3,535,320x = 5,405,679 × 5,405,679
4. Step 4: Simplify right side
   3,535,320x = 29,221,365,451,041
5. Step 5: Solve for x
   x = 29,221,365,451,041/3,535,320
6. Step 6: Final answer
   x = 8,265,550.35