Finding the Third Proportional to 1,365,978 and 2,004,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365,978 : 2,004,660 = 2,004,660 : x
2. Step 2: Convert to fraction form
   1,365,978/2,004,660 = 2,004,660/x
3. Step 3: Cross multiply
   1,365,978x = 2,004,660 × 2,004,660
4. Step 4: Simplify right side
   1,365,978x = 4,018,661,715,600
5. Step 5: Solve for x
   x = 4,018,661,715,600/1,365,978
6. Step 6: Final answer
   x = 2,941,966.65