Finding the Third Proportional to 1,442,922 and 2,242,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,922 : 2,242,978 = 2,242,978 : x
2. Step 2: Convert to fraction form
   1,442,922/2,242,978 = 2,242,978/x
3. Step 3: Cross multiply
   1,442,922x = 2,242,978 × 2,242,978
4. Step 4: Simplify right side
   1,442,922x = 5,030,950,308,484
5. Step 5: Solve for x
   x = 5,030,950,308,484/1,442,922
6. Step 6: Final answer
   x = 3,486,640.52