Finding the Third Proportional to 5,808.75 and 12,728.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,808.75 : 12,728.63 = 12,728.63 : x
2. Step 2: Convert to fraction form
   5,808.75/12,728.63 = 12,728.63/x
3. Step 3: Cross multiply
   5,808.75x = 12,728.63 × 12,728.63
4. Step 4: Simplify right side
   5,808.75x = 162,017,894.39
5. Step 5: Solve for x
   x = 162,017,894.39/5,808.75
6. Step 6: Final answer
   x = 27,892.04