Finding the Third Proportional to 4,707.75 and 10,040.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,707.75 : 10,040.25 = 10,040.25 : x
2. Step 2: Convert to fraction form
   4,707.75/10,040.25 = 10,040.25/x
3. Step 3: Cross multiply
   4,707.75x = 10,040.25 × 10,040.25
4. Step 4: Simplify right side
   4,707.75x = 100,806,620.06
5. Step 5: Solve for x
   x = 100,806,620.06/4,707.75
6. Step 6: Final answer
   x = 21,412.91