Finding the Third Proportional to 322,992 and 500,112

Step by Step Solution

1. Step 1: Write the proportion equation
   322,992 : 500,112 = 500,112 : x
2. Step 2: Convert to fraction form
   322,992/500,112 = 500,112/x
3. Step 3: Cross multiply
   322,992x = 500,112 × 500,112
4. Step 4: Simplify right side
   322,992x = 250,112,012,544
5. Step 5: Solve for x
   x = 250,112,012,544/322,992
6. Step 6: Final answer
   x = 774,359.78