Finding the Third Proportional to 126,914 and 300,666

Step by Step Solution

1. Step 1: Write the proportion equation
   126,914 : 300,666 = 300,666 : x
2. Step 2: Convert to fraction form
   126,914/300,666 = 300,666/x
3. Step 3: Cross multiply
   126,914x = 300,666 × 300,666
4. Step 4: Simplify right side
   126,914x = 90,400,043,556
5. Step 5: Solve for x
   x = 90,400,043,556/126,914
6. Step 6: Final answer
   x = 712,293.71