Finding the Third Proportional to 150,981 and 308,514

Step by Step Solution

1. Step 1: Write the proportion equation
   150,981 : 308,514 = 308,514 : x
2. Step 2: Convert to fraction form
   150,981/308,514 = 308,514/x
3. Step 3: Cross multiply
   150,981x = 308,514 × 308,514
4. Step 4: Simplify right side
   150,981x = 95,180,888,196
5. Step 5: Solve for x
   x = 95,180,888,196/150,981
6. Step 6: Final answer
   x = 630,416.33