Finding the Third Proportional to 50,722 and 102,980

Step by Step Solution

1. Step 1: Write the proportion equation
   50,722 : 102,980 = 102,980 : x
2. Step 2: Convert to fraction form
   50,722/102,980 = 102,980/x
3. Step 3: Cross multiply
   50,722x = 102,980 × 102,980
4. Step 4: Simplify right side
   50,722x = 10,604,880,400
5. Step 5: Solve for x
   x = 10,604,880,400/50,722
6. Step 6: Final answer
   x = 209,078.51