Finding the Third Proportional to 300,986 and 626,882

Step by Step Solution

1. Step 1: Write the proportion equation
   300,986 : 626,882 = 626,882 : x
2. Step 2: Convert to fraction form
   300,986/626,882 = 626,882/x
3. Step 3: Cross multiply
   300,986x = 626,882 × 626,882
4. Step 4: Simplify right side
   300,986x = 392,981,041,924
5. Step 5: Solve for x
   x = 392,981,041,924/300,986
6. Step 6: Final answer
   x = 1,305,645.58