Finding the Third Proportional to 21,330 and 45,576

Step by Step Solution

1. Step 1: Write the proportion equation
   21,330 : 45,576 = 45,576 : x
2. Step 2: Convert to fraction form
   21,330/45,576 = 45,576/x
3. Step 3: Cross multiply
   21,330x = 45,576 × 45,576
4. Step 4: Simplify right side
   21,330x = 2,077,171,776
5. Step 5: Solve for x
   x = 2,077,171,776/21,330
6. Step 6: Final answer
   x = 97,382.64