Finding the Third Proportional to 359,784 and 792,009

Step by Step Solution

1. Step 1: Write the proportion equation
   359,784 : 792,009 = 792,009 : x
2. Step 2: Convert to fraction form
   359,784/792,009 = 792,009/x
3. Step 3: Cross multiply
   359,784x = 792,009 × 792,009
4. Step 4: Simplify right side
   359,784x = 627,278,256,081
5. Step 5: Solve for x
   x = 627,278,256,081/359,784
6. Step 6: Final answer
   x = 1,743,485.69