Finding the Third Proportional to 10,938 and 17,211

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938 : 17,211 = 17,211 : x
2. Step 2: Convert to fraction form
   10,938/17,211 = 17,211/x
3. Step 3: Cross multiply
   10,938x = 17,211 × 17,211
4. Step 4: Simplify right side
   10,938x = 296,218,521
5. Step 5: Solve for x
   x = 296,218,521/10,938
6. Step 6: Final answer
   x = 27,081.60