Finding the Third Proportional to 5,869.13 and 8,855.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,869.13 : 8,855.72 = 8,855.72 : x
2. Step 2: Convert to fraction form
   5,869.13/8,855.72 = 8,855.72/x
3. Step 3: Cross multiply
   5,869.13x = 8,855.72 × 8,855.72
4. Step 4: Simplify right side
   5,869.13x = 78,423,754.58
5. Step 5: Solve for x
   x = 78,423,754.58/5,869.13
6. Step 6: Final answer
   x = 13,362.09