Finding the Third Proportional to 20,155.50 and 41,604.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,155.50 : 41,604.75 = 41,604.75 : x
2. Step 2: Convert to fraction form
   20,155.50/41,604.75 = 41,604.75/x
3. Step 3: Cross multiply
   20,155.50x = 41,604.75 × 41,604.75
4. Step 4: Simplify right side
   20,155.50x = 1,730,955,222.56
5. Step 5: Solve for x
   x = 1,730,955,222.56/20,155.50
6. Step 6: Final answer
   x = 85,880.04