Finding the Third Proportional to 6,729 and 10,282.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,729 : 10,282.50 = 10,282.50 : x
2. Step 2: Convert to fraction form
   6,729/10,282.50 = 10,282.50/x
3. Step 3: Cross multiply
   6,729x = 10,282.50 × 10,282.50
4. Step 4: Simplify right side
   6,729x = 105,729,806.25
5. Step 5: Solve for x
   x = 105,729,806.25/6,729
6. Step 6: Final answer
   x = 15,712.56