Finding the Third Proportional to 31,338 and 45,831

Step by Step Solution

1. Step 1: Write the proportion equation
   31,338 : 45,831 = 45,831 : x
2. Step 2: Convert to fraction form
   31,338/45,831 = 45,831/x
3. Step 3: Cross multiply
   31,338x = 45,831 × 45,831
4. Step 4: Simplify right side
   31,338x = 2,100,480,561
5. Step 5: Solve for x
   x = 2,100,480,561/31,338
6. Step 6: Final answer
   x = 67,026.63