Finding the Third Proportional to 21,391.15 and 33,253.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,391.15 : 33,253.38 = 33,253.38 : x
2. Step 2: Convert to fraction form
   21,391.15/33,253.38 = 33,253.38/x
3. Step 3: Cross multiply
   21,391.15x = 33,253.38 × 33,253.38
4. Step 4: Simplify right side
   21,391.15x = 1,105,787,468.47
5. Step 5: Solve for x
   x = 1,105,787,468.47/21,391.15
6. Step 6: Final answer
   x = 51,693.69