Finding the Third Proportional to 2,628 and 7,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628 : 7,072 = 7,072 : x
2. Step 2: Convert to fraction form
   2,628/7,072 = 7,072/x
3. Step 3: Cross multiply
   2,628x = 7,072 × 7,072
4. Step 4: Simplify right side
   2,628x = 50,013,184
5. Step 5: Solve for x
   x = 50,013,184/2,628
6. Step 6: Final answer
   x = 19,030.89