Finding the Third Proportional to 16,699.50 and 25,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,699.50 : 25,783.50 = 25,783.50 : x
2. Step 2: Convert to fraction form
   16,699.50/25,783.50 = 25,783.50/x
3. Step 3: Cross multiply
   16,699.50x = 25,783.50 × 25,783.50
4. Step 4: Simplify right side
   16,699.50x = 664,788,872.25
5. Step 5: Solve for x
   x = 664,788,872.25/16,699.50
6. Step 6: Final answer
   x = 39,808.91