Finding the Third Proportional to 6,436.50 and 10,200

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436.50 : 10,200 = 10,200 : x
2. Step 2: Convert to fraction form
   6,436.50/10,200 = 10,200/x
3. Step 3: Cross multiply
   6,436.50x = 10,200 × 10,200
4. Step 4: Simplify right side
   6,436.50x = 104,040,000
5. Step 5: Solve for x
   x = 104,040,000/6,436.50
6. Step 6: Final answer
   x = 16,164.06