Finding the Third Proportional to 3,805.88 and 7,716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.88 : 7,716.38 = 7,716.38 : x
2. Step 2: Convert to fraction form
   3,805.88/7,716.38 = 7,716.38/x
3. Step 3: Cross multiply
   3,805.88x = 7,716.38 × 7,716.38
4. Step 4: Simplify right side
   3,805.88x = 59,542,443.14
5. Step 5: Solve for x
   x = 59,542,443.14/3,805.88
6. Step 6: Final answer
   x = 15,644.88