Finding the Third Proportional to 644,562 and 1,418,004

Step by Step Solution

1. Step 1: Write the proportion equation
   644,562 : 1,418,004 = 1,418,004 : x
2. Step 2: Convert to fraction form
   644,562/1,418,004 = 1,418,004/x
3. Step 3: Cross multiply
   644,562x = 1,418,004 × 1,418,004
4. Step 4: Simplify right side
   644,562x = 2,010,735,344,016
5. Step 5: Solve for x
   x = 2,010,735,344,016/644,562
6. Step 6: Final answer
   x = 3,119,537.52