Finding the Third Proportional to 4,861.69 and 5,617.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,861.69 : 5,617.69 = 5,617.69 : x
2. Step 2: Convert to fraction form
   4,861.69/5,617.69 = 5,617.69/x
3. Step 3: Cross multiply
   4,861.69x = 5,617.69 × 5,617.69
4. Step 4: Simplify right side
   4,861.69x = 31,558,412.85
5. Step 5: Solve for x
   x = 31,558,412.85/4,861.69
6. Step 6: Final answer
   x = 6,491.25