Finding the Third Proportional to 10,716 and 18,072

Step by Step Solution

1. Step 1: Write the proportion equation
   10,716 : 18,072 = 18,072 : x
2. Step 2: Convert to fraction form
   10,716/18,072 = 18,072/x
3. Step 3: Cross multiply
   10,716x = 18,072 × 18,072
4. Step 4: Simplify right side
   10,716x = 326,597,184
5. Step 5: Solve for x
   x = 326,597,184/10,716
6. Step 6: Final answer
   x = 30,477.53