Finding the Third Proportional to 10,395 and 21,330

Step by Step Solution

1. Step 1: Write the proportion equation
   10,395 : 21,330 = 21,330 : x
2. Step 2: Convert to fraction form
   10,395/21,330 = 21,330/x
3. Step 3: Cross multiply
   10,395x = 21,330 × 21,330
4. Step 4: Simplify right side
   10,395x = 454,968,900
5. Step 5: Solve for x
   x = 454,968,900/10,395
6. Step 6: Final answer
   x = 43,768.05