Finding the Third Proportional to 11,959 and 17,573

Step by Step Solution

1. Step 1: Write the proportion equation
   11,959 : 17,573 = 17,573 : x
2. Step 2: Convert to fraction form
   11,959/17,573 = 17,573/x
3. Step 3: Cross multiply
   11,959x = 17,573 × 17,573
4. Step 4: Simplify right side
   11,959x = 308,810,329
5. Step 5: Solve for x
   x = 308,810,329/11,959
6. Step 6: Final answer
   x = 25,822.42