Finding the Third Proportional to 671,876 and 1,018,478

Step by Step Solution

1. Step 1: Write the proportion equation
   671,876 : 1,018,478 = 1,018,478 : x
2. Step 2: Convert to fraction form
   671,876/1,018,478 = 1,018,478/x
3. Step 3: Cross multiply
   671,876x = 1,018,478 × 1,018,478
4. Step 4: Simplify right side
   671,876x = 1,037,297,436,484
5. Step 5: Solve for x
   x = 1,037,297,436,484/671,876
6. Step 6: Final answer
   x = 1,543,882.26