Finding the Third Proportional to 4,111.30 and 8,942.35

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.30 : 8,942.35 = 8,942.35 : x
2. Step 2: Convert to fraction form
   4,111.30/8,942.35 = 8,942.35/x
3. Step 3: Cross multiply
   4,111.30x = 8,942.35 × 8,942.35
4. Step 4: Simplify right side
   4,111.30x = 79,965,668.93
5. Step 5: Solve for x
   x = 79,965,668.93/4,111.30
6. Step 6: Final answer
   x = 19,450.20