Finding the Third Proportional to 300,742 and 626,282

Step by Step Solution

1. Step 1: Write the proportion equation
   300,742 : 626,282 = 626,282 : x
2. Step 2: Convert to fraction form
   300,742/626,282 = 626,282/x
3. Step 3: Cross multiply
   300,742x = 626,282 × 626,282
4. Step 4: Simplify right side
   300,742x = 392,229,143,524
5. Step 5: Solve for x
   x = 392,229,143,524/300,742
6. Step 6: Final answer
   x = 1,304,204.75