Finding the Third Proportional to 196,407 and 300,327

Step by Step Solution

1. Step 1: Write the proportion equation
   196,407 : 300,327 = 300,327 : x
2. Step 2: Convert to fraction form
   196,407/300,327 = 300,327/x
3. Step 3: Cross multiply
   196,407x = 300,327 × 300,327
4. Step 4: Simplify right side
   196,407x = 90,196,306,929
5. Step 5: Solve for x
   x = 90,196,306,929/196,407
6. Step 6: Final answer
   x = 459,231.63