Finding the Third Proportional to 21,879 and 33,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,879 : 33,079.50 = 33,079.50 : x
2. Step 2: Convert to fraction form
   21,879/33,079.50 = 33,079.50/x
3. Step 3: Cross multiply
   21,879x = 33,079.50 × 33,079.50
4. Step 4: Simplify right side
   21,879x = 1,094,253,320.25
5. Step 5: Solve for x
   x = 1,094,253,320.25/21,879
6. Step 6: Final answer
   x = 50,013.86