Finding the Third Proportional to 21,913 and 33,072

Step by Step Solution

1. Step 1: Write the proportion equation
   21,913 : 33,072 = 33,072 : x
2. Step 2: Convert to fraction form
   21,913/33,072 = 33,072/x
3. Step 3: Cross multiply
   21,913x = 33,072 × 33,072
4. Step 4: Simplify right side
   21,913x = 1,093,757,184
5. Step 5: Solve for x
   x = 1,093,757,184/21,913
6. Step 6: Final answer
   x = 49,913.62