Finding the Third Proportional to 150,962 and 308,478

Step by Step Solution

1. Step 1: Write the proportion equation
   150,962 : 308,478 = 308,478 : x
2. Step 2: Convert to fraction form
   150,962/308,478 = 308,478/x
3. Step 3: Cross multiply
   150,962x = 308,478 × 308,478
4. Step 4: Simplify right side
   150,962x = 95,158,676,484
5. Step 5: Solve for x
   x = 95,158,676,484/150,962
6. Step 6: Final answer
   x = 630,348.54