Finding the Third Proportional to 2,708.25 and 5,912.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,708.25 : 5,912.63 = 5,912.63 : x
2. Step 2: Convert to fraction form
   2,708.25/5,912.63 = 5,912.63/x
3. Step 3: Cross multiply
   2,708.25x = 5,912.63 × 5,912.63
4. Step 4: Simplify right side
   2,708.25x = 34,959,134.39
5. Step 5: Solve for x
   x = 34,959,134.39/2,708.25
6. Step 6: Final answer
   x = 12,908.39