Finding the Third Proportional to 609,406 and 1,320,504

Step by Step Solution

1. Step 1: Write the proportion equation
   609,406 : 1,320,504 = 1,320,504 : x
2. Step 2: Convert to fraction form
   609,406/1,320,504 = 1,320,504/x
3. Step 3: Cross multiply
   609,406x = 1,320,504 × 1,320,504
4. Step 4: Simplify right side
   609,406x = 1,743,730,814,016
5. Step 5: Solve for x
   x = 1,743,730,814,016/609,406
6. Step 6: Final answer
   x = 2,861,361.41