Finding the Third Proportional to 20,108.25 and 41,856.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,108.25 : 41,856.75 = 41,856.75 : x
2. Step 2: Convert to fraction form
   20,108.25/41,856.75 = 41,856.75/x
3. Step 3: Cross multiply
   20,108.25x = 41,856.75 × 41,856.75
4. Step 4: Simplify right side
   20,108.25x = 1,751,987,520.56
5. Step 5: Solve for x
   x = 1,751,987,520.56/20,108.25
6. Step 6: Final answer
   x = 87,127.80