Finding the Third Proportional to 363,732 and 789,672

Step by Step Solution

1. Step 1: Write the proportion equation
   363,732 : 789,672 = 789,672 : x
2. Step 2: Convert to fraction form
   363,732/789,672 = 789,672/x
3. Step 3: Cross multiply
   363,732x = 789,672 × 789,672
4. Step 4: Simplify right side
   363,732x = 623,581,867,584
5. Step 5: Solve for x
   x = 623,581,867,584/363,732
6. Step 6: Final answer
   x = 1,714,399.25