Finding the Third Proportional to 9,103.50 and 12,357.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.50 : 12,357.75 = 12,357.75 : x
2. Step 2: Convert to fraction form
   9,103.50/12,357.75 = 12,357.75/x
3. Step 3: Cross multiply
   9,103.50x = 12,357.75 × 12,357.75
4. Step 4: Simplify right side
   9,103.50x = 152,713,985.06
5. Step 5: Solve for x
   x = 152,713,985.06/9,103.50
6. Step 6: Final answer
   x = 16,775.30