Finding the Third Proportional to 21,640.88 and 33,828.19

Step by Step Solution

1. Step 1: Write the proportion equation
   21,640.88 : 33,828.19 = 33,828.19 : x
2. Step 2: Convert to fraction form
   21,640.88/33,828.19 = 33,828.19/x
3. Step 3: Cross multiply
   21,640.88x = 33,828.19 × 33,828.19
4. Step 4: Simplify right side
   21,640.88x = 1,144,346,269.54
5. Step 5: Solve for x
   x = 1,144,346,269.54/21,640.88
6. Step 6: Final answer
   x = 52,878.93