Finding the Third Proportional to 19,143 and 25,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,143 : 25,789.50 = 25,789.50 : x
2. Step 2: Convert to fraction form
   19,143/25,789.50 = 25,789.50/x
3. Step 3: Cross multiply
   19,143x = 25,789.50 × 25,789.50
4. Step 4: Simplify right side
   19,143x = 665,098,310.25
5. Step 5: Solve for x
   x = 665,098,310.25/19,143
6. Step 6: Final answer
   x = 34,743.68