Finding the Third Proportional to 13,239.70 and 18,555.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,239.70 : 18,555.33 = 18,555.33 : x
2. Step 2: Convert to fraction form
   13,239.70/18,555.33 = 18,555.33/x
3. Step 3: Cross multiply
   13,239.70x = 18,555.33 × 18,555.33
4. Step 4: Simplify right side
   13,239.70x = 344,300,201.83
5. Step 5: Solve for x
   x = 344,300,201.83/13,239.70
6. Step 6: Final answer
   x = 26,005.13