Finding the Third Proportional to 21,818.25 and 33,171.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,818.25 : 33,171.75 = 33,171.75 : x
2. Step 2: Convert to fraction form
   21,818.25/33,171.75 = 33,171.75/x
3. Step 3: Cross multiply
   21,818.25x = 33,171.75 × 33,171.75
4. Step 4: Simplify right side
   21,818.25x = 1,100,364,998.06
5. Step 5: Solve for x
   x = 1,100,364,998.06/21,818.25
6. Step 6: Final answer
   x = 50,433.24