Finding the Third Proportional to 11,890.13 and 17,021.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,890.13 : 17,021.25 = 17,021.25 : x
2. Step 2: Convert to fraction form
   11,890.13/17,021.25 = 17,021.25/x
3. Step 3: Cross multiply
   11,890.13x = 17,021.25 × 17,021.25
4. Step 4: Simplify right side
   11,890.13x = 289,722,951.56
5. Step 5: Solve for x
   x = 289,722,951.56/11,890.13
6. Step 6: Final answer
   x = 24,366.69