Finding the Third Proportional to 789,728 and 1,705,546

Step by Step Solution

1. Step 1: Write the proportion equation
   789,728 : 1,705,546 = 1,705,546 : x
2. Step 2: Convert to fraction form
   789,728/1,705,546 = 1,705,546/x
3. Step 3: Cross multiply
   789,728x = 1,705,546 × 1,705,546
4. Step 4: Simplify right side
   789,728x = 2,908,887,158,116
5. Step 5: Solve for x
   x = 2,908,887,158,116/789,728
6. Step 6: Final answer
   x = 3,683,403.85