Finding the Third Proportional to 152,236 and 320,884

Step by Step Solution

1. Step 1: Write the proportion equation
   152,236 : 320,884 = 320,884 : x
2. Step 2: Convert to fraction form
   152,236/320,884 = 320,884/x
3. Step 3: Cross multiply
   152,236x = 320,884 × 320,884
4. Step 4: Simplify right side
   152,236x = 102,966,541,456
5. Step 5: Solve for x
   x = 102,966,541,456/152,236
6. Step 6: Final answer
   x = 676,361.32