Finding the Third Proportional to 342,322 and 500,805

Step by Step Solution

1. Step 1: Write the proportion equation
   342,322 : 500,805 = 500,805 : x
2. Step 2: Convert to fraction form
   342,322/500,805 = 500,805/x
3. Step 3: Cross multiply
   342,322x = 500,805 × 500,805
4. Step 4: Simplify right side
   342,322x = 250,805,648,025
5. Step 5: Solve for x
   x = 250,805,648,025/342,322
6. Step 6: Final answer
   x = 732,660.03