Finding the Third Proportional to 146,872 and 317,096

Step by Step Solution

1. Step 1: Write the proportion equation
   146,872 : 317,096 = 317,096 : x
2. Step 2: Convert to fraction form
   146,872/317,096 = 317,096/x
3. Step 3: Cross multiply
   146,872x = 317,096 × 317,096
4. Step 4: Simplify right side
   146,872x = 100,549,873,216
5. Step 5: Solve for x
   x = 100,549,873,216/146,872
6. Step 6: Final answer
   x = 684,608.86