Finding the Third Proportional to 742,877 and 1,603,978

Step by Step Solution

1. Step 1: Write the proportion equation
   742,877 : 1,603,978 = 1,603,978 : x
2. Step 2: Convert to fraction form
   742,877/1,603,978 = 1,603,978/x
3. Step 3: Cross multiply
   742,877x = 1,603,978 × 1,603,978
4. Step 4: Simplify right side
   742,877x = 2,572,745,424,484
5. Step 5: Solve for x
   x = 2,572,745,424,484/742,877
6. Step 6: Final answer
   x = 3,463,218.57