Finding the Third Proportional to 12,912.75 and 27,766.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,912.75 : 27,766.13 = 27,766.13 : x
2. Step 2: Convert to fraction form
   12,912.75/27,766.13 = 27,766.13/x
3. Step 3: Cross multiply
   12,912.75x = 27,766.13 × 27,766.13
4. Step 4: Simplify right side
   12,912.75x = 770,957,697.52
5. Step 5: Solve for x
   x = 770,957,697.52/12,912.75
6. Step 6: Final answer
   x = 59,705.15