Finding the Third Proportional to 1,004,256 and 1,404,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004,256 : 1,404,660 = 1,404,660 : x
2. Step 2: Convert to fraction form
   1,004,256/1,404,660 = 1,404,660/x
3. Step 3: Cross multiply
   1,004,256x = 1,404,660 × 1,404,660
4. Step 4: Simplify right side
   1,004,256x = 1,973,069,715,600
5. Step 5: Solve for x
   x = 1,973,069,715,600/1,004,256
6. Step 6: Final answer
   x = 1,964,707.92