Finding the Third Proportional to 685,662 and 1,027,842

Step by Step Solution

1. Step 1: Write the proportion equation
   685,662 : 1,027,842 = 1,027,842 : x
2. Step 2: Convert to fraction form
   685,662/1,027,842 = 1,027,842/x
3. Step 3: Cross multiply
   685,662x = 1,027,842 × 1,027,842
4. Step 4: Simplify right side
   685,662x = 1,056,459,176,964
5. Step 5: Solve for x
   x = 1,056,459,176,964/685,662
6. Step 6: Final answer
   x = 1,540,787.12