Finding the Third Proportional to 33,981.75 and 51,721.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,981.75 : 51,721.88 = 51,721.88 : x
2. Step 2: Convert to fraction form
   33,981.75/51,721.88 = 51,721.88/x
3. Step 3: Cross multiply
   33,981.75x = 51,721.88 × 51,721.88
4. Step 4: Simplify right side
   33,981.75x = 2,675,152,353.52
5. Step 5: Solve for x
   x = 2,675,152,353.52/33,981.75
6. Step 6: Final answer
   x = 78,723.21