Finding the Third Proportional to 50,220 and 80,271

Step by Step Solution

1. Step 1: Write the proportion equation
   50,220 : 80,271 = 80,271 : x
2. Step 2: Convert to fraction form
   50,220/80,271 = 80,271/x
3. Step 3: Cross multiply
   50,220x = 80,271 × 80,271
4. Step 4: Simplify right side
   50,220x = 6,443,433,441
5. Step 5: Solve for x
   x = 6,443,433,441/50,220
6. Step 6: Final answer
   x = 128,304.13