Finding the Third Proportional to 21,107.25 and 33,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,107.25 : 33,142.50 = 33,142.50 : x
2. Step 2: Convert to fraction form
   21,107.25/33,142.50 = 33,142.50/x
3. Step 3: Cross multiply
   21,107.25x = 33,142.50 × 33,142.50
4. Step 4: Simplify right side
   21,107.25x = 1,098,425,306.25
5. Step 5: Solve for x
   x = 1,098,425,306.25/21,107.25
6. Step 6: Final answer
   x = 52,040.19