Finding the Third Proportional to 5,322 and 10,779

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322 : 10,779 = 10,779 : x
2. Step 2: Convert to fraction form
   5,322/10,779 = 10,779/x
3. Step 3: Cross multiply
   5,322x = 10,779 × 10,779
4. Step 4: Simplify right side
   5,322x = 116,186,841
5. Step 5: Solve for x
   x = 116,186,841/5,322
6. Step 6: Final answer
   x = 21,831.42