Finding the Third Proportional to 21,330 and 30,024

Step by Step Solution

1. Step 1: Write the proportion equation
   21,330 : 30,024 = 30,024 : x
2. Step 2: Convert to fraction form
   21,330/30,024 = 30,024/x
3. Step 3: Cross multiply
   21,330x = 30,024 × 30,024
4. Step 4: Simplify right side
   21,330x = 901,440,576
5. Step 5: Solve for x
   x = 901,440,576/21,330
6. Step 6: Final answer
   x = 42,261.63