Finding the Third Proportional to 10,448 and 21,760

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448 : 21,760 = 21,760 : x
2. Step 2: Convert to fraction form
   10,448/21,760 = 21,760/x
3. Step 3: Cross multiply
   10,448x = 21,760 × 21,760
4. Step 4: Simplify right side
   10,448x = 473,497,600
5. Step 5: Solve for x
   x = 473,497,600/10,448
6. Step 6: Final answer
   x = 45,319.45