Finding the Third Proportional to 21,901 and 33,980

Step by Step Solution

1. Step 1: Write the proportion equation
   21,901 : 33,980 = 33,980 : x
2. Step 2: Convert to fraction form
   21,901/33,980 = 33,980/x
3. Step 3: Cross multiply
   21,901x = 33,980 × 33,980
4. Step 4: Simplify right side
   21,901x = 1,154,640,400
5. Step 5: Solve for x
   x = 1,154,640,400/21,901
6. Step 6: Final answer
   x = 52,720.90