Finding the Third Proportional to 15,909.50 and 33,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,909.50 : 33,559.50 = 33,559.50 : x
2. Step 2: Convert to fraction form
   15,909.50/33,559.50 = 33,559.50/x
3. Step 3: Cross multiply
   15,909.50x = 33,559.50 × 33,559.50
4. Step 4: Simplify right side
   15,909.50x = 1,126,240,040.25
5. Step 5: Solve for x
   x = 1,126,240,040.25/15,909.50
6. Step 6: Final answer
   x = 70,790.41