Finding the Third Proportional to 685,672 and 1,027,852

Step by Step Solution

1. Step 1: Write the proportion equation
   685,672 : 1,027,852 = 1,027,852 : x
2. Step 2: Convert to fraction form
   685,672/1,027,852 = 1,027,852/x
3. Step 3: Cross multiply
   685,672x = 1,027,852 × 1,027,852
4. Step 4: Simplify right side
   685,672x = 1,056,479,733,904
5. Step 5: Solve for x
   x = 1,056,479,733,904/685,672
6. Step 6: Final answer
   x = 1,540,794.63