Finding the Third Proportional to 20,335.50 and 41,661.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,335.50 : 41,661.88 = 41,661.88 : x
2. Step 2: Convert to fraction form
   20,335.50/41,661.88 = 41,661.88/x
3. Step 3: Cross multiply
   20,335.50x = 41,661.88 × 41,661.88
4. Step 4: Simplify right side
   20,335.50x = 1,735,711,828.52
5. Step 5: Solve for x
   x = 1,735,711,828.52/20,335.50
6. Step 6: Final answer
   x = 85,353.78