Finding the Third Proportional to 21,505.50 and 33,216.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,505.50 : 33,216.75 = 33,216.75 : x
2. Step 2: Convert to fraction form
   21,505.50/33,216.75 = 33,216.75/x
3. Step 3: Cross multiply
   21,505.50x = 33,216.75 × 33,216.75
4. Step 4: Simplify right side
   21,505.50x = 1,103,352,480.56
5. Step 5: Solve for x
   x = 1,103,352,480.56/21,505.50
6. Step 6: Final answer
   x = 51,305.60