Finding the Third Proportional to 10,368 and 16,200

Step by Step Solution

1. Step 1: Write the proportion equation
   10,368 : 16,200 = 16,200 : x
2. Step 2: Convert to fraction form
   10,368/16,200 = 16,200/x
3. Step 3: Cross multiply
   10,368x = 16,200 × 16,200
4. Step 4: Simplify right side
   10,368x = 262,440,000
5. Step 5: Solve for x
   x = 262,440,000/10,368
6. Step 6: Final answer
   x = 25,312.50