Finding the Third Proportional to 1,230.50 and 2,281.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230.50 : 2,281.38 = 2,281.38 : x
2. Step 2: Convert to fraction form
   1,230.50/2,281.38 = 2,281.38/x
3. Step 3: Cross multiply
   1,230.50x = 2,281.38 × 2,281.38
4. Step 4: Simplify right side
   1,230.50x = 5,204,671.89
5. Step 5: Solve for x
   x = 5,204,671.89/1,230.50
6. Step 6: Final answer
   x = 4,229.72