Finding the Third Proportional to 2,398.50 and 3,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.50 : 3,188 = 3,188 : x
2. Step 2: Convert to fraction form
   2,398.50/3,188 = 3,188/x
3. Step 3: Cross multiply
   2,398.50x = 3,188 × 3,188
4. Step 4: Simplify right side
   2,398.50x = 10,163,344
5. Step 5: Solve for x
   x = 10,163,344/2,398.50
6. Step 6: Final answer
   x = 4,237.38