Finding the Third Proportional to 10,390.50 and 19,230

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.50 : 19,230 = 19,230 : x
2. Step 2: Convert to fraction form
   10,390.50/19,230 = 19,230/x
3. Step 3: Cross multiply
   10,390.50x = 19,230 × 19,230
4. Step 4: Simplify right side
   10,390.50x = 369,792,900
5. Step 5: Solve for x
   x = 369,792,900/10,390.50
6. Step 6: Final answer
   x = 35,589.52