Finding the Third Proportional to 3,365.50 and 5,166

Step by Step Solution

1. Step 1: Write the proportion equation
   3,365.50 : 5,166 = 5,166 : x
2. Step 2: Convert to fraction form
   3,365.50/5,166 = 5,166/x
3. Step 3: Cross multiply
   3,365.50x = 5,166 × 5,166
4. Step 4: Simplify right side
   3,365.50x = 26,687,556
5. Step 5: Solve for x
   x = 26,687,556/3,365.50
6. Step 6: Final answer
   x = 7,929.74