Finding the Third Proportional to 1,305,668 and 1,997,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305,668 : 1,997,140 = 1,997,140 : x
2. Step 2: Convert to fraction form
   1,305,668/1,997,140 = 1,997,140/x
3. Step 3: Cross multiply
   1,305,668x = 1,997,140 × 1,997,140
4. Step 4: Simplify right side
   1,305,668x = 3,988,568,179,600
5. Step 5: Solve for x
   x = 3,988,568,179,600/1,305,668
6. Step 6: Final answer
   x = 3,054,810.40