Finding the Third Proportional to 50,720 and 102,976

Step by Step Solution

1. Step 1: Write the proportion equation
   50,720 : 102,976 = 102,976 : x
2. Step 2: Convert to fraction form
   50,720/102,976 = 102,976/x
3. Step 3: Cross multiply
   50,720x = 102,976 × 102,976
4. Step 4: Simplify right side
   50,720x = 10,604,056,576
5. Step 5: Solve for x
   x = 10,604,056,576/50,720
6. Step 6: Final answer
   x = 209,070.52