Finding the Third Proportional to 21,328 and 33,200

Step by Step Solution

1. Step 1: Write the proportion equation
   21,328 : 33,200 = 33,200 : x
2. Step 2: Convert to fraction form
   21,328/33,200 = 33,200/x
3. Step 3: Cross multiply
   21,328x = 33,200 × 33,200
4. Step 4: Simplify right side
   21,328x = 1,102,240,000
5. Step 5: Solve for x
   x = 1,102,240,000/21,328
6. Step 6: Final answer
   x = 51,680.42