Finding the Third Proportional to 16,204.50 and 18,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,204.50 : 18,877.50 = 18,877.50 : x
2. Step 2: Convert to fraction form
   16,204.50/18,877.50 = 18,877.50/x
3. Step 3: Cross multiply
   16,204.50x = 18,877.50 × 18,877.50
4. Step 4: Simplify right side
   16,204.50x = 356,360,006.25
5. Step 5: Solve for x
   x = 356,360,006.25/16,204.50
6. Step 6: Final answer
   x = 21,991.42