Finding the Third Proportional to 17,160 and 25,921

Step by Step Solution

1. Step 1: Write the proportion equation
   17,160 : 25,921 = 25,921 : x
2. Step 2: Convert to fraction form
   17,160/25,921 = 25,921/x
3. Step 3: Cross multiply
   17,160x = 25,921 × 25,921
4. Step 4: Simplify right side
   17,160x = 671,898,241
5. Step 5: Solve for x
   x = 671,898,241/17,160
6. Step 6: Final answer
   x = 39,154.91