Finding the Third Proportional to 674,676 and 1,053,486

Step by Step Solution

1. Step 1: Write the proportion equation
   674,676 : 1,053,486 = 1,053,486 : x
2. Step 2: Convert to fraction form
   674,676/1,053,486 = 1,053,486/x
3. Step 3: Cross multiply
   674,676x = 1,053,486 × 1,053,486
4. Step 4: Simplify right side
   674,676x = 1,109,832,752,196
5. Step 5: Solve for x
   x = 1,109,832,752,196/674,676
6. Step 6: Final answer
   x = 1,644,986.26