Finding the Third Proportional to 17,230 and 25,990

Step by Step Solution

1. Step 1: Write the proportion equation
   17,230 : 25,990 = 25,990 : x
2. Step 2: Convert to fraction form
   17,230/25,990 = 25,990/x
3. Step 3: Cross multiply
   17,230x = 25,990 × 25,990
4. Step 4: Simplify right side
   17,230x = 675,480,100
5. Step 5: Solve for x
   x = 675,480,100/17,230
6. Step 6: Final answer
   x = 39,203.72