Finding the Third Proportional to 671,878 and 1,018,481

Step by Step Solution

1. Step 1: Write the proportion equation
   671,878 : 1,018,481 = 1,018,481 : x
2. Step 2: Convert to fraction form
   671,878/1,018,481 = 1,018,481/x
3. Step 3: Cross multiply
   671,878x = 1,018,481 × 1,018,481
4. Step 4: Simplify right side
   671,878x = 1,037,303,547,361
5. Step 5: Solve for x
   x = 1,037,303,547,361/671,878
6. Step 6: Final answer
   x = 1,543,886.76