Finding the Third Proportional to 12,357.56 and 27,057.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,357.56 : 27,057.80 = 27,057.80 : x
2. Step 2: Convert to fraction form
   12,357.56/27,057.80 = 27,057.80/x
3. Step 3: Cross multiply
   12,357.56x = 27,057.80 × 27,057.80
4. Step 4: Simplify right side
   12,357.56x = 732,124,371.73
5. Step 5: Solve for x
   x = 732,124,371.73/12,357.56
6. Step 6: Final answer
   x = 59,245.05