Finding the Third Proportional to 4,317.05 and 7,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,317.05 : 7,388.72 = 7,388.72 : x
2. Step 2: Convert to fraction form
   4,317.05/7,388.72 = 7,388.72/x
3. Step 3: Cross multiply
   4,317.05x = 7,388.72 × 7,388.72
4. Step 4: Simplify right side
   4,317.05x = 54,593,164.77
5. Step 5: Solve for x
   x = 54,593,164.77/4,317.05
6. Step 6: Final answer
   x = 12,645.95