Finding the Third Proportional to 3,276,678 and 7,183,218

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276,678 : 7,183,218 = 7,183,218 : x
2. Step 2: Convert to fraction form
   3,276,678/7,183,218 = 7,183,218/x
3. Step 3: Cross multiply
   3,276,678x = 7,183,218 × 7,183,218
4. Step 4: Simplify right side
   3,276,678x = 51,598,620,835,524
5. Step 5: Solve for x
   x = 51,598,620,835,524/3,276,678
6. Step 6: Final answer
   x = 15,747,235.72