Finding the Third Proportional to 21,312 and 50,976

Step by Step Solution

1. Step 1: Write the proportion equation
   21,312 : 50,976 = 50,976 : x
2. Step 2: Convert to fraction form
   21,312/50,976 = 50,976/x
3. Step 3: Cross multiply
   21,312x = 50,976 × 50,976
4. Step 4: Simplify right side
   21,312x = 2,598,552,576
5. Step 5: Solve for x
   x = 2,598,552,576/21,312
6. Step 6: Final answer
   x = 121,929.08