Finding the Third Proportional to 8,784 and 20,960

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784 : 20,960 = 20,960 : x
2. Step 2: Convert to fraction form
   8,784/20,960 = 20,960/x
3. Step 3: Cross multiply
   8,784x = 20,960 × 20,960
4. Step 4: Simplify right side
   8,784x = 439,321,600
5. Step 5: Solve for x
   x = 439,321,600/8,784
6. Step 6: Final answer
   x = 50,013.84