Finding the Third Proportional to 13,238.44 and 19,451.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,238.44 : 19,451.81 = 19,451.81 : x
2. Step 2: Convert to fraction form
   13,238.44/19,451.81 = 19,451.81/x
3. Step 3: Cross multiply
   13,238.44x = 19,451.81 × 19,451.81
4. Step 4: Simplify right side
   13,238.44x = 378,373,009.54
5. Step 5: Solve for x
   x = 378,373,009.54/13,238.44
6. Step 6: Final answer
   x = 28,581.39