Finding the Third Proportional to 33,639.75 and 70,764.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,639.75 : 70,764.75 = 70,764.75 : x
2. Step 2: Convert to fraction form
   33,639.75/70,764.75 = 70,764.75/x
3. Step 3: Cross multiply
   33,639.75x = 70,764.75 × 70,764.75
4. Step 4: Simplify right side
   33,639.75x = 5,007,649,842.56
5. Step 5: Solve for x
   x = 5,007,649,842.56/33,639.75
6. Step 6: Final answer
   x = 148,861.09