Finding the Third Proportional to 12,367.69 and 14,919.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,367.69 : 14,919.19 = 14,919.19 : x
2. Step 2: Convert to fraction form
   12,367.69/14,919.19 = 14,919.19/x
3. Step 3: Cross multiply
   12,367.69x = 14,919.19 × 14,919.19
4. Step 4: Simplify right side
   12,367.69x = 222,582,155.66
5. Step 5: Solve for x
   x = 222,582,155.66/12,367.69
6. Step 6: Final answer
   x = 17,997.07