Finding the Third Proportional to 12,847.50 and 27,760

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847.50 : 27,760 = 27,760 : x
2. Step 2: Convert to fraction form
   12,847.50/27,760 = 27,760/x
3. Step 3: Cross multiply
   12,847.50x = 27,760 × 27,760
4. Step 4: Simplify right side
   12,847.50x = 770,617,600
5. Step 5: Solve for x
   x = 770,617,600/12,847.50
6. Step 6: Final answer
   x = 59,981.91