Finding the Third Proportional to 342,322 and 500,806

Step by Step Solution

1. Step 1: Write the proportion equation
   342,322 : 500,806 = 500,806 : x
2. Step 2: Convert to fraction form
   342,322/500,806 = 500,806/x
3. Step 3: Cross multiply
   342,322x = 500,806 × 500,806
4. Step 4: Simplify right side
   342,322x = 250,806,649,636
5. Step 5: Solve for x
   x = 250,806,649,636/342,322
6. Step 6: Final answer
   x = 732,662.96