Finding the Third Proportional to 33,128 and 49,561

Step by Step Solution

1. Step 1: Write the proportion equation
   33,128 : 49,561 = 49,561 : x
2. Step 2: Convert to fraction form
   33,128/49,561 = 49,561/x
3. Step 3: Cross multiply
   33,128x = 49,561 × 49,561
4. Step 4: Simplify right side
   33,128x = 2,456,292,721
5. Step 5: Solve for x
   x = 2,456,292,721/33,128
6. Step 6: Final answer
   x = 74,145.52