Finding the Third Proportional to 33,378.75 and 73,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,378.75 : 73,318.50 = 73,318.50 : x
2. Step 2: Convert to fraction form
   33,378.75/73,318.50 = 73,318.50/x
3. Step 3: Cross multiply
   33,378.75x = 73,318.50 × 73,318.50
4. Step 4: Simplify right side
   33,378.75x = 5,375,602,442.25
5. Step 5: Solve for x
   x = 5,375,602,442.25/33,378.75
6. Step 6: Final answer
   x = 161,048.64