Finding the Third Proportional to 13,005.56 and 18,837.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.56 : 18,837.56 = 18,837.56 : x
2. Step 2: Convert to fraction form
   13,005.56/18,837.56 = 18,837.56/x
3. Step 3: Cross multiply
   13,005.56x = 18,837.56 × 18,837.56
4. Step 4: Simplify right side
   13,005.56x = 354,853,760.94
5. Step 5: Solve for x
   x = 354,853,760.94/13,005.56
6. Step 6: Final answer
   x = 27,284.77