Finding the Third Proportional to 2,828.25 and 5,855.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.25 : 5,855.63 = 5,855.63 : x
2. Step 2: Convert to fraction form
   2,828.25/5,855.63 = 5,855.63/x
3. Step 3: Cross multiply
   2,828.25x = 5,855.63 × 5,855.63
4. Step 4: Simplify right side
   2,828.25x = 34,288,344.14
5. Step 5: Solve for x
   x = 34,288,344.14/2,828.25
6. Step 6: Final answer
   x = 12,123.52