Finding the Third Proportional to 5,869.02 and 12,857.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,869.02 : 12,857.17 = 12,857.17 : x
2. Step 2: Convert to fraction form
   5,869.02/12,857.17 = 12,857.17/x
3. Step 3: Cross multiply
   5,869.02x = 12,857.17 × 12,857.17
4. Step 4: Simplify right side
   5,869.02x = 165,306,768.18
5. Step 5: Solve for x
   x = 165,306,768.18/5,869.02
6. Step 6: Final answer
   x = 28,165.99