Finding the Third Proportional to 316,288 and 756,016

Step by Step Solution

1. Step 1: Write the proportion equation
   316,288 : 756,016 = 756,016 : x
2. Step 2: Convert to fraction form
   316,288/756,016 = 756,016/x
3. Step 3: Cross multiply
   316,288x = 756,016 × 756,016
4. Step 4: Simplify right side
   316,288x = 571,560,192,256
5. Step 5: Solve for x
   x = 571,560,192,256/316,288
6. Step 6: Final answer
   x = 1,807,087.82