Finding the Third Proportional to 4,105.69 and 5,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.69 : 5,143.50 = 5,143.50 : x
2. Step 2: Convert to fraction form
   4,105.69/5,143.50 = 5,143.50/x
3. Step 3: Cross multiply
   4,105.69x = 5,143.50 × 5,143.50
4. Step 4: Simplify right side
   4,105.69x = 26,455,592.25
5. Step 5: Solve for x
   x = 26,455,592.25/4,105.69
6. Step 6: Final answer
   x = 6,443.64