Finding the Third Proportional to 15,445.69 and 17,270.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,445.69 : 17,270.72 = 17,270.72 : x
2. Step 2: Convert to fraction form
   15,445.69/17,270.72 = 17,270.72/x
3. Step 3: Cross multiply
   15,445.69x = 17,270.72 × 17,270.72
4. Step 4: Simplify right side
   15,445.69x = 298,277,726.14
5. Step 5: Solve for x
   x = 298,277,726.14/15,445.69
6. Step 6: Final answer
   x = 19,311.39