Finding the Third Proportional to 21,144.38 and 33,481.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,144.38 : 33,481.69 = 33,481.69 : x
2. Step 2: Convert to fraction form
   21,144.38/33,481.69 = 33,481.69/x
3. Step 3: Cross multiply
   21,144.38x = 33,481.69 × 33,481.69
4. Step 4: Simplify right side
   21,144.38x = 1,121,023,397.85
5. Step 5: Solve for x
   x = 1,121,023,397.85/21,144.38
6. Step 6: Final answer
   x = 53,017.57