Finding the Third Proportional to 3,383,218 and 7,983,790

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383,218 : 7,983,790 = 7,983,790 : x
2. Step 2: Convert to fraction form
   3,383,218/7,983,790 = 7,983,790/x
3. Step 3: Cross multiply
   3,383,218x = 7,983,790 × 7,983,790
4. Step 4: Simplify right side
   3,383,218x = 63,740,902,764,100
5. Step 5: Solve for x
   x = 63,740,902,764,100/3,383,218
6. Step 6: Final answer
   x = 18,840,317.94