Finding the Third Proportional to 443,880 and 676,884

Step by Step Solution

1. Step 1: Write the proportion equation
   443,880 : 676,884 = 676,884 : x
2. Step 2: Convert to fraction form
   443,880/676,884 = 676,884/x
3. Step 3: Cross multiply
   443,880x = 676,884 × 676,884
4. Step 4: Simplify right side
   443,880x = 458,171,949,456
5. Step 5: Solve for x
   x = 458,171,949,456/443,880
6. Step 6: Final answer
   x = 1,032,197.78