Finding the Third Proportional to 2,431.50 and 4,863

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.50 : 4,863 = 4,863 : x
2. Step 2: Convert to fraction form
   2,431.50/4,863 = 4,863/x
3. Step 3: Cross multiply
   2,431.50x = 4,863 × 4,863
4. Step 4: Simplify right side
   2,431.50x = 23,648,769
5. Step 5: Solve for x
   x = 23,648,769/2,431.50
6. Step 6: Final answer
   x = 9,726