Finding the Third Proportional to 3,398,958 and 7,355,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,398,958 : 7,355,520 = 7,355,520 : x
2. Step 2: Convert to fraction form
   3,398,958/7,355,520 = 7,355,520/x
3. Step 3: Cross multiply
   3,398,958x = 7,355,520 × 7,355,520
4. Step 4: Simplify right side
   3,398,958x = 54,103,674,470,400
5. Step 5: Solve for x
   x = 54,103,674,470,400/3,398,958
6. Step 6: Final answer
   x = 15,917,723.75