Finding the Third Proportional to 4,128.75 and 10,182.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128.75 : 10,182.38 = 10,182.38 : x
2. Step 2: Convert to fraction form
   4,128.75/10,182.38 = 10,182.38/x
3. Step 3: Cross multiply
   4,128.75x = 10,182.38 × 10,182.38
4. Step 4: Simplify right side
   4,128.75x = 103,680,760.64
5. Step 5: Solve for x
   x = 103,680,760.64/4,128.75
6. Step 6: Final answer
   x = 25,111.90