Finding the Third Proportional to 5,722 and 12,145

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722 : 12,145 = 12,145 : x
2. Step 2: Convert to fraction form
   5,722/12,145 = 12,145/x
3. Step 3: Cross multiply
   5,722x = 12,145 × 12,145
4. Step 4: Simplify right side
   5,722x = 147,501,025
5. Step 5: Solve for x
   x = 147,501,025/5,722
6. Step 6: Final answer
   x = 25,777.88