Finding the Third Proportional to 17,328 and 23,211

Step by Step Solution

1. Step 1: Write the proportion equation
   17,328 : 23,211 = 23,211 : x
2. Step 2: Convert to fraction form
   17,328/23,211 = 23,211/x
3. Step 3: Cross multiply
   17,328x = 23,211 × 23,211
4. Step 4: Simplify right side
   17,328x = 538,750,521
5. Step 5: Solve for x
   x = 538,750,521/17,328
6. Step 6: Final answer
   x = 31,091.33