Finding the Third Proportional to 12,737.81 and 27,789.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.81 : 27,789.75 = 27,789.75 : x
2. Step 2: Convert to fraction form
   12,737.81/27,789.75 = 27,789.75/x
3. Step 3: Cross multiply
   12,737.81x = 27,789.75 × 27,789.75
4. Step 4: Simplify right side
   12,737.81x = 772,270,205.06
5. Step 5: Solve for x
   x = 772,270,205.06/12,737.81
6. Step 6: Final answer
   x = 60,628.17