Finding the Third Proportional to 2,259,578 and 3,160,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,578 : 3,160,488 = 3,160,488 : x
2. Step 2: Convert to fraction form
   2,259,578/3,160,488 = 3,160,488/x
3. Step 3: Cross multiply
   2,259,578x = 3,160,488 × 3,160,488
4. Step 4: Simplify right side
   2,259,578x = 9,988,684,398,144
5. Step 5: Solve for x
   x = 9,988,684,398,144/2,259,578
6. Step 6: Final answer
   x = 4,420,597.30