Finding the Third Proportional to 333,722 and 679,036

Step by Step Solution

1. Step 1: Write the proportion equation
   333,722 : 679,036 = 679,036 : x
2. Step 2: Convert to fraction form
   333,722/679,036 = 679,036/x
3. Step 3: Cross multiply
   333,722x = 679,036 × 679,036
4. Step 4: Simplify right side
   333,722x = 461,089,889,296
5. Step 5: Solve for x
   x = 461,089,889,296/333,722
6. Step 6: Final answer
   x = 1,381,658.65