Finding the Third Proportional to 33,429.50 and 73,420

Step by Step Solution

1. Step 1: Write the proportion equation
   33,429.50 : 73,420 = 73,420 : x
2. Step 2: Convert to fraction form
   33,429.50/73,420 = 73,420/x
3. Step 3: Cross multiply
   33,429.50x = 73,420 × 73,420
4. Step 4: Simplify right side
   33,429.50x = 5,390,496,400
5. Step 5: Solve for x
   x = 5,390,496,400/33,429.50
6. Step 6: Final answer
   x = 161,249.69