Finding the Third Proportional to 674,680 and 1,053,492

Step by Step Solution

1. Step 1: Write the proportion equation
   674,680 : 1,053,492 = 1,053,492 : x
2. Step 2: Convert to fraction form
   674,680/1,053,492 = 1,053,492/x
3. Step 3: Cross multiply
   674,680x = 1,053,492 × 1,053,492
4. Step 4: Simplify right side
   674,680x = 1,109,845,394,064
5. Step 5: Solve for x
   x = 1,109,845,394,064/674,680
6. Step 6: Final answer
   x = 1,644,995.25