Finding the Third Proportional to 665,456 and 1,023,886

Step by Step Solution

1. Step 1: Write the proportion equation
   665,456 : 1,023,886 = 1,023,886 : x
2. Step 2: Convert to fraction form
   665,456/1,023,886 = 1,023,886/x
3. Step 3: Cross multiply
   665,456x = 1,023,886 × 1,023,886
4. Step 4: Simplify right side
   665,456x = 1,048,342,540,996
5. Step 5: Solve for x
   x = 1,048,342,540,996/665,456
6. Step 6: Final answer
   x = 1,575,374.69