Finding the Third Proportional to 11,491.50 and 17,865

Step by Step Solution

1. Step 1: Write the proportion equation
   11,491.50 : 17,865 = 17,865 : x
2. Step 2: Convert to fraction form
   11,491.50/17,865 = 17,865/x
3. Step 3: Cross multiply
   11,491.50x = 17,865 × 17,865
4. Step 4: Simplify right side
   11,491.50x = 319,158,225
5. Step 5: Solve for x
   x = 319,158,225/11,491.50
6. Step 6: Final answer
   x = 27,773.42