Finding the Third Proportional to 20,917.97 and 31,867.59

Step by Step Solution

1. Step 1: Write the proportion equation
   20,917.97 : 31,867.59 = 31,867.59 : x
2. Step 2: Convert to fraction form
   20,917.97/31,867.59 = 31,867.59/x
3. Step 3: Cross multiply
   20,917.97x = 31,867.59 × 31,867.59
4. Step 4: Simplify right side
   20,917.97x = 1,015,543,531.42
5. Step 5: Solve for x
   x = 1,015,543,531.42/20,917.97
6. Step 6: Final answer
   x = 48,548.86