Finding the Third Proportional to 1,683.50 and 3,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683.50 : 3,992 = 3,992 : x
2. Step 2: Convert to fraction form
   1,683.50/3,992 = 3,992/x
3. Step 3: Cross multiply
   1,683.50x = 3,992 × 3,992
4. Step 4: Simplify right side
   1,683.50x = 15,936,064
5. Step 5: Solve for x
   x = 15,936,064/1,683.50
6. Step 6: Final answer
   x = 9,466.03