Finding the Third Proportional to 31,028 and 67,036

Step by Step Solution

1. Step 1: Write the proportion equation
   31,028 : 67,036 = 67,036 : x
2. Step 2: Convert to fraction form
   31,028/67,036 = 67,036/x
3. Step 3: Cross multiply
   31,028x = 67,036 × 67,036
4. Step 4: Simplify right side
   31,028x = 4,493,825,296
5. Step 5: Solve for x
   x = 4,493,825,296/31,028
6. Step 6: Final answer
   x = 144,831.29