Finding the Third Proportional to 2,221,839 and 3,318,225

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,839 : 3,318,225 = 3,318,225 : x
2. Step 2: Convert to fraction form
   2,221,839/3,318,225 = 3,318,225/x
3. Step 3: Cross multiply
   2,221,839x = 3,318,225 × 3,318,225
4. Step 4: Simplify right side
   2,221,839x = 11,010,617,150,625
5. Step 5: Solve for x
   x = 11,010,617,150,625/2,221,839
6. Step 6: Final answer
   x = 4,955,632.32