Finding the Third Proportional to 2,431.69 and 3,083.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.69 : 3,083.91 = 3,083.91 : x
2. Step 2: Convert to fraction form
   2,431.69/3,083.91 = 3,083.91/x
3. Step 3: Cross multiply
   2,431.69x = 3,083.91 × 3,083.91
4. Step 4: Simplify right side
   2,431.69x = 9,510,477.76
5. Step 5: Solve for x
   x = 9,510,477.76/2,431.69
6. Step 6: Final answer
   x = 3,911.06