Finding the Third Proportional to 11,638.69 and 16,065

Step by Step Solution

1. Step 1: Write the proportion equation
   11,638.69 : 16,065 = 16,065 : x
2. Step 2: Convert to fraction form
   11,638.69/16,065 = 16,065/x
3. Step 3: Cross multiply
   11,638.69x = 16,065 × 16,065
4. Step 4: Simplify right side
   11,638.69x = 258,084,225
5. Step 5: Solve for x
   x = 258,084,225/11,638.69
6. Step 6: Final answer
   x = 22,174.68