Finding the Third Proportional to 300,514 and 634,562

Step by Step Solution

1. Step 1: Write the proportion equation
   300,514 : 634,562 = 634,562 : x
2. Step 2: Convert to fraction form
   300,514/634,562 = 634,562/x
3. Step 3: Cross multiply
   300,514x = 634,562 × 634,562
4. Step 4: Simplify right side
   300,514x = 402,668,931,844
5. Step 5: Solve for x
   x = 402,668,931,844/300,514
6. Step 6: Final answer
   x = 1,339,934.02