Finding the Third Proportional to 21,967 and 31,387

Step by Step Solution

1. Step 1: Write the proportion equation
   21,967 : 31,387 = 31,387 : x
2. Step 2: Convert to fraction form
   21,967/31,387 = 31,387/x
3. Step 3: Cross multiply
   21,967x = 31,387 × 31,387
4. Step 4: Simplify right side
   21,967x = 985,143,769
5. Step 5: Solve for x
   x = 985,143,769/21,967
6. Step 6: Final answer
   x = 44,846.53