Finding the Third Proportional to 5,230 and 10,622

Step by Step Solution

1. Step 1: Write the proportion equation
   5,230 : 10,622 = 10,622 : x
2. Step 2: Convert to fraction form
   5,230/10,622 = 10,622/x
3. Step 3: Cross multiply
   5,230x = 10,622 × 10,622
4. Step 4: Simplify right side
   5,230x = 112,826,884
5. Step 5: Solve for x
   x = 112,826,884/5,230
6. Step 6: Final answer
   x = 21,573.02