Finding the Third Proportional to 5,818 and 12,722

Step by Step Solution

1. Step 1: Write the proportion equation
   5,818 : 12,722 = 12,722 : x
2. Step 2: Convert to fraction form
   5,818/12,722 = 12,722/x
3. Step 3: Cross multiply
   5,818x = 12,722 × 12,722
4. Step 4: Simplify right side
   5,818x = 161,849,284
5. Step 5: Solve for x
   x = 161,849,284/5,818
6. Step 6: Final answer
   x = 27,818.72