Finding the Third Proportional to 12,939.75 and 27,747.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,939.75 : 27,747.56 = 27,747.56 : x
2. Step 2: Convert to fraction form
   12,939.75/27,747.56 = 27,747.56/x
3. Step 3: Cross multiply
   12,939.75x = 27,747.56 × 27,747.56
4. Step 4: Simplify right side
   12,939.75x = 769,927,224.69
5. Step 5: Solve for x
   x = 769,927,224.69/12,939.75
6. Step 6: Final answer
   x = 59,500.94