Finding the Third Proportional to 15,018 and 21,633

Step by Step Solution

1. Step 1: Write the proportion equation
   15,018 : 21,633 = 21,633 : x
2. Step 2: Convert to fraction form
   15,018/21,633 = 21,633/x
3. Step 3: Cross multiply
   15,018x = 21,633 × 21,633
4. Step 4: Simplify right side
   15,018x = 467,986,689
5. Step 5: Solve for x
   x = 467,986,689/15,018
6. Step 6: Final answer
   x = 31,161.72