Finding the Third Proportional to 33,274 and 72,800

Step by Step Solution

1. Step 1: Write the proportion equation
   33,274 : 72,800 = 72,800 : x
2. Step 2: Convert to fraction form
   33,274/72,800 = 72,800/x
3. Step 3: Cross multiply
   33,274x = 72,800 × 72,800
4. Step 4: Simplify right side
   33,274x = 5,299,840,000
5. Step 5: Solve for x
   x = 5,299,840,000/33,274
6. Step 6: Final answer
   x = 159,278.72