Finding the Third Proportional to 21,536 and 33,280

Step by Step Solution

1. Step 1: Write the proportion equation
   21,536 : 33,280 = 33,280 : x
2. Step 2: Convert to fraction form
   21,536/33,280 = 33,280/x
3. Step 3: Cross multiply
   21,536x = 33,280 × 33,280
4. Step 4: Simplify right side
   21,536x = 1,107,558,400
5. Step 5: Solve for x
   x = 1,107,558,400/21,536
6. Step 6: Final answer
   x = 51,428.23