Finding the Third Proportional to 21,755 and 33,915

Step by Step Solution

1. Step 1: Write the proportion equation
   21,755 : 33,915 = 33,915 : x
2. Step 2: Convert to fraction form
   21,755/33,915 = 33,915/x
3. Step 3: Cross multiply
   21,755x = 33,915 × 33,915
4. Step 4: Simplify right side
   21,755x = 1,150,227,225
5. Step 5: Solve for x
   x = 1,150,227,225/21,755
6. Step 6: Final answer
   x = 52,871.86