Finding the Third Proportional to 4,951.13 and 10,317.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,951.13 : 10,317.38 = 10,317.38 : x
2. Step 2: Convert to fraction form
   4,951.13/10,317.38 = 10,317.38/x
3. Step 3: Cross multiply
   4,951.13x = 10,317.38 × 10,317.38
4. Step 4: Simplify right side
   4,951.13x = 106,448,226.89
5. Step 5: Solve for x
   x = 106,448,226.89/4,951.13
6. Step 6: Final answer
   x = 21,499.81