Finding the Third Proportional to 359,744 and 789,984

Step by Step Solution

1. Step 1: Write the proportion equation
   359,744 : 789,984 = 789,984 : x
2. Step 2: Convert to fraction form
   359,744/789,984 = 789,984/x
3. Step 3: Cross multiply
   359,744x = 789,984 × 789,984
4. Step 4: Simplify right side
   359,744x = 624,074,720,256
5. Step 5: Solve for x
   x = 624,074,720,256/359,744
6. Step 6: Final answer
   x = 1,734,774.51