Finding the Third Proportional to 162,313 and 354,150

Step by Step Solution

1. Step 1: Write the proportion equation
   162,313 : 354,150 = 354,150 : x
2. Step 2: Convert to fraction form
   162,313/354,150 = 354,150/x
3. Step 3: Cross multiply
   162,313x = 354,150 × 354,150
4. Step 4: Simplify right side
   162,313x = 125,422,222,500
5. Step 5: Solve for x
   x = 125,422,222,500/162,313
6. Step 6: Final answer
   x = 772,718.28