Finding the Third Proportional to 21,728 and 32,800

Step by Step Solution

1. Step 1: Write the proportion equation
   21,728 : 32,800 = 32,800 : x
2. Step 2: Convert to fraction form
   21,728/32,800 = 32,800/x
3. Step 3: Cross multiply
   21,728x = 32,800 × 32,800
4. Step 4: Simplify right side
   21,728x = 1,075,840,000
5. Step 5: Solve for x
   x = 1,075,840,000/21,728
6. Step 6: Final answer
   x = 49,513.99