Finding the Third Proportional to 3,839.91 and 8,292.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.91 : 8,292.38 = 8,292.38 : x
2. Step 2: Convert to fraction form
   3,839.91/8,292.38 = 8,292.38/x
3. Step 3: Cross multiply
   3,839.91x = 8,292.38 × 8,292.38
4. Step 4: Simplify right side
   3,839.91x = 68,763,483.14
5. Step 5: Solve for x
   x = 68,763,483.14/3,839.91
6. Step 6: Final answer
   x = 17,907.59