Finding the Third Proportional to 30,199.50 and 71,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,199.50 : 71,059.50 = 71,059.50 : x
2. Step 2: Convert to fraction form
   30,199.50/71,059.50 = 71,059.50/x
3. Step 3: Cross multiply
   30,199.50x = 71,059.50 × 71,059.50
4. Step 4: Simplify right side
   30,199.50x = 5,049,452,540.25
5. Step 5: Solve for x
   x = 5,049,452,540.25/30,199.50
6. Step 6: Final answer
   x = 167,203.18