Finding the Third Proportional to 11,915.25 and 17,670

Step by Step Solution

1. Step 1: Write the proportion equation
   11,915.25 : 17,670 = 17,670 : x
2. Step 2: Convert to fraction form
   11,915.25/17,670 = 17,670/x
3. Step 3: Cross multiply
   11,915.25x = 17,670 × 17,670
4. Step 4: Simplify right side
   11,915.25x = 312,228,900
5. Step 5: Solve for x
   x = 312,228,900/11,915.25
6. Step 6: Final answer
   x = 26,204.14