Finding the Third Proportional to 21,553.69 and 33,640.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,553.69 : 33,640.88 = 33,640.88 : x
2. Step 2: Convert to fraction form
   21,553.69/33,640.88 = 33,640.88/x
3. Step 3: Cross multiply
   21,553.69x = 33,640.88 × 33,640.88
4. Step 4: Simplify right side
   21,553.69x = 1,131,708,470.77
5. Step 5: Solve for x
   x = 1,131,708,470.77/21,553.69
6. Step 6: Final answer
   x = 52,506.49