Finding the Third Proportional to 2,257,804 and 3,218,538

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,804 : 3,218,538 = 3,218,538 : x
2. Step 2: Convert to fraction form
   2,257,804/3,218,538 = 3,218,538/x
3. Step 3: Cross multiply
   2,257,804x = 3,218,538 × 3,218,538
4. Step 4: Simplify right side
   2,257,804x = 10,358,986,857,444
5. Step 5: Solve for x
   x = 10,358,986,857,444/2,257,804
6. Step 6: Final answer
   x = 4,588,080.66