Finding the Third Proportional to 1,204,078 and 1,640,010

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,078 : 1,640,010 = 1,640,010 : x
2. Step 2: Convert to fraction form
   1,204,078/1,640,010 = 1,640,010/x
3. Step 3: Cross multiply
   1,204,078x = 1,640,010 × 1,640,010
4. Step 4: Simplify right side
   1,204,078x = 2,689,632,800,100
5. Step 5: Solve for x
   x = 2,689,632,800,100/1,204,078
6. Step 6: Final answer
   x = 2,233,769.57