Finding the Third Proportional to 9,608.63 and 13,609.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.63 : 13,609.69 = 13,609.69 : x
2. Step 2: Convert to fraction form
   9,608.63/13,609.69 = 13,609.69/x
3. Step 3: Cross multiply
   9,608.63x = 13,609.69 × 13,609.69
4. Step 4: Simplify right side
   9,608.63x = 185,223,593.85
5. Step 5: Solve for x
   x = 185,223,593.85/9,608.63
6. Step 6: Final answer
   x = 19,276.81