Finding the Third Proportional to 2,257,808 and 3,218,544

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,808 : 3,218,544 = 3,218,544 : x
2. Step 2: Convert to fraction form
   2,257,808/3,218,544 = 3,218,544/x
3. Step 3: Cross multiply
   2,257,808x = 3,218,544 × 3,218,544
4. Step 4: Simplify right side
   2,257,808x = 10,359,025,479,936
5. Step 5: Solve for x
   x = 10,359,025,479,936/2,257,808
6. Step 6: Final answer
   x = 4,588,089.63