Finding the Third Proportional to 742,872 and 1,603,968

Step by Step Solution

1. Step 1: Write the proportion equation
   742,872 : 1,603,968 = 1,603,968 : x
2. Step 2: Convert to fraction form
   742,872/1,603,968 = 1,603,968/x
3. Step 3: Cross multiply
   742,872x = 1,603,968 × 1,603,968
4. Step 4: Simplify right side
   742,872x = 2,572,713,345,024
5. Step 5: Solve for x
   x = 2,572,713,345,024/742,872
6. Step 6: Final answer
   x = 3,463,198.70