Finding the Third Proportional to 12,947 and 27,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,947 : 27,738.50 = 27,738.50 : x
2. Step 2: Convert to fraction form
   12,947/27,738.50 = 27,738.50/x
3. Step 3: Cross multiply
   12,947x = 27,738.50 × 27,738.50
4. Step 4: Simplify right side
   12,947x = 769,424,382.25
5. Step 5: Solve for x
   x = 769,424,382.25/12,947
6. Step 6: Final answer
   x = 59,428.78