Finding the Third Proportional to 207,326 and 311,150

Step by Step Solution

1. Step 1: Write the proportion equation
   207,326 : 311,150 = 311,150 : x
2. Step 2: Convert to fraction form
   207,326/311,150 = 311,150/x
3. Step 3: Cross multiply
   207,326x = 311,150 × 311,150
4. Step 4: Simplify right side
   207,326x = 96,814,322,500
5. Step 5: Solve for x
   x = 96,814,322,500/207,326
6. Step 6: Final answer
   x = 466,966.63