Finding the Third Proportional to 9,528.75 and 12,729.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528.75 : 12,729.94 = 12,729.94 : x
2. Step 2: Convert to fraction form
   9,528.75/12,729.94 = 12,729.94/x
3. Step 3: Cross multiply
   9,528.75x = 12,729.94 × 12,729.94
4. Step 4: Simplify right side
   9,528.75x = 162,051,308.75
5. Step 5: Solve for x
   x = 162,051,308.75/9,528.75
6. Step 6: Final answer
   x = 17,006.57