Finding the Third Proportional to 16,320 and 19,200

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320 : 19,200 = 19,200 : x
2. Step 2: Convert to fraction form
   16,320/19,200 = 19,200/x
3. Step 3: Cross multiply
   16,320x = 19,200 × 19,200
4. Step 4: Simplify right side
   16,320x = 368,640,000
5. Step 5: Solve for x
   x = 368,640,000/16,320
6. Step 6: Final answer
   x = 22,588.24