Finding the Third Proportional to 3,870.50 and 9,230

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.50 : 9,230 = 9,230 : x
2. Step 2: Convert to fraction form
   3,870.50/9,230 = 9,230/x
3. Step 3: Cross multiply
   3,870.50x = 9,230 × 9,230
4. Step 4: Simplify right side
   3,870.50x = 85,192,900
5. Step 5: Solve for x
   x = 85,192,900/3,870.50
6. Step 6: Final answer
   x = 22,010.83