Finding the Third Proportional to 789,456 and 1,736,374

Step by Step Solution

1. Step 1: Write the proportion equation
   789,456 : 1,736,374 = 1,736,374 : x
2. Step 2: Convert to fraction form
   789,456/1,736,374 = 1,736,374/x
3. Step 3: Cross multiply
   789,456x = 1,736,374 × 1,736,374
4. Step 4: Simplify right side
   789,456x = 3,014,994,667,876
5. Step 5: Solve for x
   x = 3,014,994,667,876/789,456
6. Step 6: Final answer
   x = 3,819,078.79