Finding the Third Proportional to 21,858 and 33,633

Step by Step Solution

1. Step 1: Write the proportion equation
   21,858 : 33,633 = 33,633 : x
2. Step 2: Convert to fraction form
   21,858/33,633 = 33,633/x
3. Step 3: Cross multiply
   21,858x = 33,633 × 33,633
4. Step 4: Simplify right side
   21,858x = 1,131,178,689
5. Step 5: Solve for x
   x = 1,131,178,689/21,858
6. Step 6: Final answer
   x = 51,751.24