Finding the Third Proportional to 33,308.50 and 71,557.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,308.50 : 71,557.75 = 71,557.75 : x
2. Step 2: Convert to fraction form
   33,308.50/71,557.75 = 71,557.75/x
3. Step 3: Cross multiply
   33,308.50x = 71,557.75 × 71,557.75
4. Step 4: Simplify right side
   33,308.50x = 5,120,511,585.06
5. Step 5: Solve for x
   x = 5,120,511,585.06/33,308.50
6. Step 6: Final answer
   x = 153,729.88