Finding the Third Proportional to 1,036,998 and 2,145,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,998 : 2,145,978 = 2,145,978 : x
2. Step 2: Convert to fraction form
   1,036,998/2,145,978 = 2,145,978/x
3. Step 3: Cross multiply
   1,036,998x = 2,145,978 × 2,145,978
4. Step 4: Simplify right side
   1,036,998x = 4,605,221,576,484
5. Step 5: Solve for x
   x = 4,605,221,576,484/1,036,998
6. Step 6: Final answer
   x = 4,440,916.55