Finding the Third Proportional to 4,116.38 and 9,072.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,116.38 : 9,072.56 = 9,072.56 : x
2. Step 2: Convert to fraction form
   4,116.38/9,072.56 = 9,072.56/x
3. Step 3: Cross multiply
   4,116.38x = 9,072.56 × 9,072.56
4. Step 4: Simplify right side
   4,116.38x = 82,311,390.32
5. Step 5: Solve for x
   x = 82,311,390.32/4,116.38
6. Step 6: Final answer
   x = 19,996.09