Finding the Third Proportional to 448,443 and 674,514

Step by Step Solution

1. Step 1: Write the proportion equation
   448,443 : 674,514 = 674,514 : x
2. Step 2: Convert to fraction form
   448,443/674,514 = 674,514/x
3. Step 3: Cross multiply
   448,443x = 674,514 × 674,514
4. Step 4: Simplify right side
   448,443x = 454,969,136,196
5. Step 5: Solve for x
   x = 454,969,136,196/448,443
6. Step 6: Final answer
   x = 1,014,552.88