Finding the Third Proportional to 151,188 and 317,958

Step by Step Solution

1. Step 1: Write the proportion equation
   151,188 : 317,958 = 317,958 : x
2. Step 2: Convert to fraction form
   151,188/317,958 = 317,958/x
3. Step 3: Cross multiply
   151,188x = 317,958 × 317,958
4. Step 4: Simplify right side
   151,188x = 101,097,289,764
5. Step 5: Solve for x
   x = 101,097,289,764/151,188
6. Step 6: Final answer
   x = 668,685.94