Finding the Third Proportional to 15,439.50 and 33,221.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,439.50 : 33,221.25 = 33,221.25 : x
2. Step 2: Convert to fraction form
   15,439.50/33,221.25 = 33,221.25/x
3. Step 3: Cross multiply
   15,439.50x = 33,221.25 × 33,221.25
4. Step 4: Simplify right side
   15,439.50x = 1,103,651,451.56
5. Step 5: Solve for x
   x = 1,103,651,451.56/15,439.50
6. Step 6: Final answer
   x = 71,482.33