Finding the Third Proportional to 12,308 and 19,230

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308 : 19,230 = 19,230 : x
2. Step 2: Convert to fraction form
   12,308/19,230 = 19,230/x
3. Step 3: Cross multiply
   12,308x = 19,230 × 19,230
4. Step 4: Simplify right side
   12,308x = 369,792,900
5. Step 5: Solve for x
   x = 369,792,900/12,308
6. Step 6: Final answer
   x = 30,044.92