Finding the Third Proportional to 787,683 and 1,728,546

Step by Step Solution

1. Step 1: Write the proportion equation
   787,683 : 1,728,546 = 1,728,546 : x
2. Step 2: Convert to fraction form
   787,683/1,728,546 = 1,728,546/x
3. Step 3: Cross multiply
   787,683x = 1,728,546 × 1,728,546
4. Step 4: Simplify right side
   787,683x = 2,987,871,274,116
5. Step 5: Solve for x
   x = 2,987,871,274,116/787,683
6. Step 6: Final answer
   x = 3,793,240.78