Finding the Third Proportional to 3,613.68 and 7,919.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.68 : 7,919.33 = 7,919.33 : x
2. Step 2: Convert to fraction form
   3,613.68/7,919.33 = 7,919.33/x
3. Step 3: Cross multiply
   3,613.68x = 7,919.33 × 7,919.33
4. Step 4: Simplify right side
   3,613.68x = 62,715,819.82
5. Step 5: Solve for x
   x = 62,715,819.82/3,613.68
6. Step 6: Final answer
   x = 17,355.13