Finding the Third Proportional to 644,544 and 1,382,352

Step by Step Solution

1. Step 1: Write the proportion equation
   644,544 : 1,382,352 = 1,382,352 : x
2. Step 2: Convert to fraction form
   644,544/1,382,352 = 1,382,352/x
3. Step 3: Cross multiply
   644,544x = 1,382,352 × 1,382,352
4. Step 4: Simplify right side
   644,544x = 1,910,897,051,904
5. Step 5: Solve for x
   x = 1,910,897,051,904/644,544
6. Step 6: Final answer
   x = 2,964,727.08