Finding the Third Proportional to 20,323.97 and 31,278.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,323.97 : 31,278.38 = 31,278.38 : x
2. Step 2: Convert to fraction form
   20,323.97/31,278.38 = 31,278.38/x
3. Step 3: Cross multiply
   20,323.97x = 31,278.38 × 31,278.38
4. Step 4: Simplify right side
   20,323.97x = 978,336,742.64
5. Step 5: Solve for x
   x = 978,336,742.64/20,323.97
6. Step 6: Final answer
   x = 48,137.09