Finding the Third Proportional to 427,608 and 923,012

Step by Step Solution

1. Step 1: Write the proportion equation
   427,608 : 923,012 = 923,012 : x
2. Step 2: Convert to fraction form
   427,608/923,012 = 923,012/x
3. Step 3: Cross multiply
   427,608x = 923,012 × 923,012
4. Step 4: Simplify right side
   427,608x = 851,951,152,144
5. Step 5: Solve for x
   x = 851,951,152,144/427,608
6. Step 6: Final answer
   x = 1,992,364.86