Finding the Third Proportional to 4,872.38 and 7,111.13

Step by Step Solution

1. Step 1: Write the proportion equation
   4,872.38 : 7,111.13 = 7,111.13 : x
2. Step 2: Convert to fraction form
   4,872.38/7,111.13 = 7,111.13/x
3. Step 3: Cross multiply
   4,872.38x = 7,111.13 × 7,111.13
4. Step 4: Simplify right side
   4,872.38x = 50,568,098.77
5. Step 5: Solve for x
   x = 50,568,098.77/4,872.38
6. Step 6: Final answer
   x = 10,378.53