Finding the Third Proportional to 4,111.17 and 8,942.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.17 : 8,942.91 = 8,942.91 : x
2. Step 2: Convert to fraction form
   4,111.17/8,942.91 = 8,942.91/x
3. Step 3: Cross multiply
   4,111.17x = 8,942.91 × 8,942.91
4. Step 4: Simplify right side
   4,111.17x = 79,975,572.20
5. Step 5: Solve for x
   x = 79,975,572.20/4,111.17
6. Step 6: Final answer
   x = 19,453.23