Finding the Third Proportional to 2,499,987 and 3,539,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,987 : 3,539,785.50 = 3,539,785.50 : x
2. Step 2: Convert to fraction form
   2,499,987/3,539,785.50 = 3,539,785.50/x
3. Step 3: Cross multiply
   2,499,987x = 3,539,785.50 × 3,539,785.50
4. Step 4: Simplify right side
   2,499,987x = 12,530,081,386,010.25
5. Step 5: Solve for x
   x = 12,530,081,386,010.25/2,499,987
6. Step 6: Final answer
   x = 5,012,058.62