Finding the Third Proportional to 3,393,039 and 7,178,766

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393,039 : 7,178,766 = 7,178,766 : x
2. Step 2: Convert to fraction form
   3,393,039/7,178,766 = 7,178,766/x
3. Step 3: Cross multiply
   3,393,039x = 7,178,766 × 7,178,766
4. Step 4: Simplify right side
   3,393,039x = 51,534,681,282,756
5. Step 5: Solve for x
   x = 51,534,681,282,756/3,393,039
6. Step 6: Final answer
   x = 15,188,355.12