Finding the Third Proportional to 12,161 and 17,390

Step by Step Solution

1. Step 1: Write the proportion equation
   12,161 : 17,390 = 17,390 : x
2. Step 2: Convert to fraction form
   12,161/17,390 = 17,390/x
3. Step 3: Cross multiply
   12,161x = 17,390 × 17,390
4. Step 4: Simplify right side
   12,161x = 302,412,100
5. Step 5: Solve for x
   x = 302,412,100/12,161
6. Step 6: Final answer
   x = 24,867.37