Finding the Third Proportional to 21,878.50 and 33,018.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,878.50 : 33,018.25 = 33,018.25 : x
2. Step 2: Convert to fraction form
   21,878.50/33,018.25 = 33,018.25/x
3. Step 3: Cross multiply
   21,878.50x = 33,018.25 × 33,018.25
4. Step 4: Simplify right side
   21,878.50x = 1,090,204,833.06
5. Step 5: Solve for x
   x = 1,090,204,833.06/21,878.50
6. Step 6: Final answer
   x = 49,829.96