Finding the Third Proportional to 2,190.50 and 3,306

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190.50 : 3,306 = 3,306 : x
2. Step 2: Convert to fraction form
   2,190.50/3,306 = 3,306/x
3. Step 3: Cross multiply
   2,190.50x = 3,306 × 3,306
4. Step 4: Simplify right side
   2,190.50x = 10,929,636
5. Step 5: Solve for x
   x = 10,929,636/2,190.50
6. Step 6: Final answer
   x = 4,989.56