Finding the Third Proportional to 31,288 and 64,794

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288 : 64,794 = 64,794 : x
2. Step 2: Convert to fraction form
   31,288/64,794 = 64,794/x
3. Step 3: Cross multiply
   31,288x = 64,794 × 64,794
4. Step 4: Simplify right side
   31,288x = 4,198,262,436
5. Step 5: Solve for x
   x = 4,198,262,436/31,288
6. Step 6: Final answer
   x = 134,181.23