Finding the Third Proportional to 3,944 and 7,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944 : 7,072 = 7,072 : x
2. Step 2: Convert to fraction form
   3,944/7,072 = 7,072/x
3. Step 3: Cross multiply
   3,944x = 7,072 × 7,072
4. Step 4: Simplify right side
   3,944x = 50,013,184
5. Step 5: Solve for x
   x = 50,013,184/3,944
6. Step 6: Final answer
   x = 12,680.83