Finding the Third Proportional to 33,284 and 72,400

Step by Step Solution

1. Step 1: Write the proportion equation
   33,284 : 72,400 = 72,400 : x
2. Step 2: Convert to fraction form
   33,284/72,400 = 72,400/x
3. Step 3: Cross multiply
   33,284x = 72,400 × 72,400
4. Step 4: Simplify right side
   33,284x = 5,241,760,000
5. Step 5: Solve for x
   x = 5,241,760,000/33,284
6. Step 6: Final answer
   x = 157,485.88