Finding the Third Proportional to 21,108.75 and 33,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,108.75 : 33,424.50 = 33,424.50 : x
2. Step 2: Convert to fraction form
   21,108.75/33,424.50 = 33,424.50/x
3. Step 3: Cross multiply
   21,108.75x = 33,424.50 × 33,424.50
4. Step 4: Simplify right side
   21,108.75x = 1,117,197,200.25
5. Step 5: Solve for x
   x = 1,117,197,200.25/21,108.75
6. Step 6: Final answer
   x = 52,925.79