Finding the Third Proportional to 11,447 and 17,089

Step by Step Solution

1. Step 1: Write the proportion equation
   11,447 : 17,089 = 17,089 : x
2. Step 2: Convert to fraction form
   11,447/17,089 = 17,089/x
3. Step 3: Cross multiply
   11,447x = 17,089 × 17,089
4. Step 4: Simplify right side
   11,447x = 292,033,921
5. Step 5: Solve for x
   x = 292,033,921/11,447
6. Step 6: Final answer
   x = 25,511.83