Finding the Third Proportional to 1,555,668 and 2,540,250

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,668 : 2,540,250 = 2,540,250 : x
2. Step 2: Convert to fraction form
   1,555,668/2,540,250 = 2,540,250/x
3. Step 3: Cross multiply
   1,555,668x = 2,540,250 × 2,540,250
4. Step 4: Simplify right side
   1,555,668x = 6,452,870,062,500
5. Step 5: Solve for x
   x = 6,452,870,062,500/1,555,668
6. Step 6: Final answer
   x = 4,147,973.77