Finding the Third Proportional to 3,068.50 and 4,170

Step by Step Solution

1. Step 1: Write the proportion equation
   3,068.50 : 4,170 = 4,170 : x
2. Step 2: Convert to fraction form
   3,068.50/4,170 = 4,170/x
3. Step 3: Cross multiply
   3,068.50x = 4,170 × 4,170
4. Step 4: Simplify right side
   3,068.50x = 17,388,900
5. Step 5: Solve for x
   x = 17,388,900/3,068.50
6. Step 6: Final answer
   x = 5,666.91