Finding the Third Proportional to 621,738 and 1,362,006

Step by Step Solution

1. Step 1: Write the proportion equation
   621,738 : 1,362,006 = 1,362,006 : x
2. Step 2: Convert to fraction form
   621,738/1,362,006 = 1,362,006/x
3. Step 3: Cross multiply
   621,738x = 1,362,006 × 1,362,006
4. Step 4: Simplify right side
   621,738x = 1,855,060,344,036
5. Step 5: Solve for x
   x = 1,855,060,344,036/621,738
6. Step 6: Final answer
   x = 2,983,668.92