Finding the Third Proportional to 5,521 and 10,764

Step by Step Solution

1. Step 1: Write the proportion equation
   5,521 : 10,764 = 10,764 : x
2. Step 2: Convert to fraction form
   5,521/10,764 = 10,764/x
3. Step 3: Cross multiply
   5,521x = 10,764 × 10,764
4. Step 4: Simplify right side
   5,521x = 115,863,696
5. Step 5: Solve for x
   x = 115,863,696/5,521
6. Step 6: Final answer
   x = 20,986.00