Finding the Third Proportional to 5,277 and 10,545

Step by Step Solution

1. Step 1: Write the proportion equation
   5,277 : 10,545 = 10,545 : x
2. Step 2: Convert to fraction form
   5,277/10,545 = 10,545/x
3. Step 3: Cross multiply
   5,277x = 10,545 × 10,545
4. Step 4: Simplify right side
   5,277x = 111,197,025
5. Step 5: Solve for x
   x = 111,197,025/5,277
6. Step 6: Final answer
   x = 21,072.02