Finding the Third Proportional to 644,552 and 1,382,368

Step by Step Solution

1. Step 1: Write the proportion equation
   644,552 : 1,382,368 = 1,382,368 : x
2. Step 2: Convert to fraction form
   644,552/1,382,368 = 1,382,368/x
3. Step 3: Cross multiply
   644,552x = 1,382,368 × 1,382,368
4. Step 4: Simplify right side
   644,552x = 1,910,941,287,424
5. Step 5: Solve for x
   x = 1,910,941,287,424/644,552
6. Step 6: Final answer
   x = 2,964,758.91