Finding the Third Proportional to 16,238.50 and 19,781

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.50 : 19,781 = 19,781 : x
2. Step 2: Convert to fraction form
   16,238.50/19,781 = 19,781/x
3. Step 3: Cross multiply
   16,238.50x = 19,781 × 19,781
4. Step 4: Simplify right side
   16,238.50x = 391,287,961
5. Step 5: Solve for x
   x = 391,287,961/16,238.50
6. Step 6: Final answer
   x = 24,096.31