Finding the Third Proportional to 151,530 and 231,907

Step by Step Solution

1. Step 1: Write the proportion equation
   151,530 : 231,907 = 231,907 : x
2. Step 2: Convert to fraction form
   151,530/231,907 = 231,907/x
3. Step 3: Cross multiply
   151,530x = 231,907 × 231,907
4. Step 4: Simplify right side
   151,530x = 53,780,856,649
5. Step 5: Solve for x
   x = 53,780,856,649/151,530
6. Step 6: Final answer
   x = 354,918.87