Finding the Third Proportional to 20,587.50 and 30,791.81

Step by Step Solution

1. Step 1: Write the proportion equation
   20,587.50 : 30,791.81 = 30,791.81 : x
2. Step 2: Convert to fraction form
   20,587.50/30,791.81 = 30,791.81/x
3. Step 3: Cross multiply
   20,587.50x = 30,791.81 × 30,791.81
4. Step 4: Simplify right side
   20,587.50x = 948,135,717.04
5. Step 5: Solve for x
   x = 948,135,717.04/20,587.50
6. Step 6: Final answer
   x = 46,053.95