Finding the Third Proportional to 4,260.09 and 9,317.53

Step by Step Solution

1. Step 1: Write the proportion equation
   4,260.09 : 9,317.53 = 9,317.53 : x
2. Step 2: Convert to fraction form
   4,260.09/9,317.53 = 9,317.53/x
3. Step 3: Cross multiply
   4,260.09x = 9,317.53 × 9,317.53
4. Step 4: Simplify right side
   4,260.09x = 86,816,388.59
5. Step 5: Solve for x
   x = 86,816,388.59/4,260.09
6. Step 6: Final answer
   x = 20,378.99