Finding the Third Proportional to 362,676 and 789,876

Step by Step Solution

1. Step 1: Write the proportion equation
   362,676 : 789,876 = 789,876 : x
2. Step 2: Convert to fraction form
   362,676/789,876 = 789,876/x
3. Step 3: Cross multiply
   362,676x = 789,876 × 789,876
4. Step 4: Simplify right side
   362,676x = 623,904,095,376
5. Step 5: Solve for x
   x = 623,904,095,376/362,676
6. Step 6: Final answer
   x = 1,720,279.52