Finding the Third Proportional to 20,236.50 and 41,275.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,236.50 : 41,275.69 = 41,275.69 : x
2. Step 2: Convert to fraction form
   20,236.50/41,275.69 = 41,275.69/x
3. Step 3: Cross multiply
   20,236.50x = 41,275.69 × 41,275.69
4. Step 4: Simplify right side
   20,236.50x = 1,703,682,378.60
5. Step 5: Solve for x
   x = 1,703,682,378.60/20,236.50
6. Step 6: Final answer
   x = 84,188.59