Finding the Third Proportional to 3,369.75 and 3,992.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.75 : 3,992.25 = 3,992.25 : x
2. Step 2: Convert to fraction form
   3,369.75/3,992.25 = 3,992.25/x
3. Step 3: Cross multiply
   3,369.75x = 3,992.25 × 3,992.25
4. Step 4: Simplify right side
   3,369.75x = 15,938,060.06
5. Step 5: Solve for x
   x = 15,938,060.06/3,369.75
6. Step 6: Final answer
   x = 4,729.75