Finding the Third Proportional to 9,603 and 10,514.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603 : 10,514.25 = 10,514.25 : x
2. Step 2: Convert to fraction form
   9,603/10,514.25 = 10,514.25/x
3. Step 3: Cross multiply
   9,603x = 10,514.25 × 10,514.25
4. Step 4: Simplify right side
   9,603x = 110,549,453.06
5. Step 5: Solve for x
   x = 110,549,453.06/9,603
6. Step 6: Final answer
   x = 11,511.97