Finding the Third Proportional to 9,568.13 and 12,988.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,568.13 : 12,988.69 = 12,988.69 : x
2. Step 2: Convert to fraction form
   9,568.13/12,988.69 = 12,988.69/x
3. Step 3: Cross multiply
   9,568.13x = 12,988.69 × 12,988.69
4. Step 4: Simplify right side
   9,568.13x = 168,706,002.97
5. Step 5: Solve for x
   x = 168,706,002.97/9,568.13
6. Step 6: Final answer
   x = 17,632.09