Finding the Third Proportional to 19,820.86 and 41,587.92

Step by Step Solution

1. Step 1: Write the proportion equation
   19,820.86 : 41,587.92 = 41,587.92 : x
2. Step 2: Convert to fraction form
   19,820.86/41,587.92 = 41,587.92/x
3. Step 3: Cross multiply
   19,820.86x = 41,587.92 × 41,587.92
4. Step 4: Simplify right side
   19,820.86x = 1,729,555,245.88
5. Step 5: Solve for x
   x = 1,729,555,245.88/19,820.86
6. Step 6: Final answer
   x = 87,259.35