Finding the Third Proportional to 315,740 and 483,008

Step by Step Solution

1. Step 1: Write the proportion equation
   315,740 : 483,008 = 483,008 : x
2. Step 2: Convert to fraction form
   315,740/483,008 = 483,008/x
3. Step 3: Cross multiply
   315,740x = 483,008 × 483,008
4. Step 4: Simplify right side
   315,740x = 233,296,728,064
5. Step 5: Solve for x
   x = 233,296,728,064/315,740
6. Step 6: Final answer
   x = 738,888.73