Finding the Third Proportional to 8,191.50 and 16,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,191.50 : 16,909.50 = 16,909.50 : x
2. Step 2: Convert to fraction form
   8,191.50/16,909.50 = 16,909.50/x
3. Step 3: Cross multiply
   8,191.50x = 16,909.50 × 16,909.50
4. Step 4: Simplify right side
   8,191.50x = 285,931,190.25
5. Step 5: Solve for x
   x = 285,931,190.25/8,191.50
6. Step 6: Final answer
   x = 34,905.84