Finding the Third Proportional to 5,868.28 and 12,731.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,868.28 : 12,731.77 = 12,731.77 : x
2. Step 2: Convert to fraction form
   5,868.28/12,731.77 = 12,731.77/x
3. Step 3: Cross multiply
   5,868.28x = 12,731.77 × 12,731.77
4. Step 4: Simplify right side
   5,868.28x = 162,097,855.93
5. Step 5: Solve for x
   x = 162,097,855.93/5,868.28
6. Step 6: Final answer
   x = 27,622.71