Finding the Third Proportional to 16,231.50 and 19,543.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,231.50 : 19,543.50 = 19,543.50 : x
2. Step 2: Convert to fraction form
   16,231.50/19,543.50 = 19,543.50/x
3. Step 3: Cross multiply
   16,231.50x = 19,543.50 × 19,543.50
4. Step 4: Simplify right side
   16,231.50x = 381,948,392.25
5. Step 5: Solve for x
   x = 381,948,392.25/16,231.50
6. Step 6: Final answer
   x = 23,531.31