Finding the Third Proportional to 12,684.94 and 18,029.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,684.94 : 18,029.81 = 18,029.81 : x
2. Step 2: Convert to fraction form
   12,684.94/18,029.81 = 18,029.81/x
3. Step 3: Cross multiply
   12,684.94x = 18,029.81 × 18,029.81
4. Step 4: Simplify right side
   12,684.94x = 325,074,138.79
5. Step 5: Solve for x
   x = 325,074,138.79/12,684.94
6. Step 6: Final answer
   x = 25,626.78