Finding the Third Proportional to 2,390.50 and 4,845

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.50 : 4,845 = 4,845 : x
2. Step 2: Convert to fraction form
   2,390.50/4,845 = 4,845/x
3. Step 3: Cross multiply
   2,390.50x = 4,845 × 4,845
4. Step 4: Simplify right side
   2,390.50x = 23,474,025
5. Step 5: Solve for x
   x = 23,474,025/2,390.50
6. Step 6: Final answer
   x = 9,819.71