Finding the Third Proportional to 31,383 and 48,718

Step by Step Solution

1. Step 1: Write the proportion equation
   31,383 : 48,718 = 48,718 : x
2. Step 2: Convert to fraction form
   31,383/48,718 = 48,718/x
3. Step 3: Cross multiply
   31,383x = 48,718 × 48,718
4. Step 4: Simplify right side
   31,383x = 2,373,443,524
5. Step 5: Solve for x
   x = 2,373,443,524/31,383
6. Step 6: Final answer
   x = 75,628.32