Finding the Third Proportional to 20,871 and 33,180

Step by Step Solution

1. Step 1: Write the proportion equation
   20,871 : 33,180 = 33,180 : x
2. Step 2: Convert to fraction form
   20,871/33,180 = 33,180/x
3. Step 3: Cross multiply
   20,871x = 33,180 × 33,180
4. Step 4: Simplify right side
   20,871x = 1,100,912,400
5. Step 5: Solve for x
   x = 1,100,912,400/20,871
6. Step 6: Final answer
   x = 52,748.43