Finding the Third Proportional to 20,091.38 and 40,722.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,091.38 : 40,722.75 = 40,722.75 : x
2. Step 2: Convert to fraction form
   20,091.38/40,722.75 = 40,722.75/x
3. Step 3: Cross multiply
   20,091.38x = 40,722.75 × 40,722.75
4. Step 4: Simplify right side
   20,091.38x = 1,658,342,367.56
5. Step 5: Solve for x
   x = 1,658,342,367.56/20,091.38
6. Step 6: Final answer
   x = 82,540.01