Finding the Third Proportional to 31,455 and 45,885

Step by Step Solution

1. Step 1: Write the proportion equation
   31,455 : 45,885 = 45,885 : x
2. Step 2: Convert to fraction form
   31,455/45,885 = 45,885/x
3. Step 3: Cross multiply
   31,455x = 45,885 × 45,885
4. Step 4: Simplify right side
   31,455x = 2,105,433,225
5. Step 5: Solve for x
   x = 2,105,433,225/31,455
6. Step 6: Final answer
   x = 66,934.77