Finding the Third Proportional to 502,672 and 1,040,336

Step by Step Solution

1. Step 1: Write the proportion equation
   502,672 : 1,040,336 = 1,040,336 : x
2. Step 2: Convert to fraction form
   502,672/1,040,336 = 1,040,336/x
3. Step 3: Cross multiply
   502,672x = 1,040,336 × 1,040,336
4. Step 4: Simplify right side
   502,672x = 1,082,298,992,896
5. Step 5: Solve for x
   x = 1,082,298,992,896/502,672
6. Step 6: Final answer
   x = 2,153,091.86