Finding the Third Proportional to 16,320 and 34,560

Step by Step Solution

1. Step 1: Write the proportion equation
   16,320 : 34,560 = 34,560 : x
2. Step 2: Convert to fraction form
   16,320/34,560 = 34,560/x
3. Step 3: Cross multiply
   16,320x = 34,560 × 34,560
4. Step 4: Simplify right side
   16,320x = 1,194,393,600
5. Step 5: Solve for x
   x = 1,194,393,600/16,320
6. Step 6: Final answer
   x = 73,185.88