Finding the Third Proportional to 731,744 and 1,603,408

Step by Step Solution

1. Step 1: Write the proportion equation
   731,744 : 1,603,408 = 1,603,408 : x
2. Step 2: Convert to fraction form
   731,744/1,603,408 = 1,603,408/x
3. Step 3: Cross multiply
   731,744x = 1,603,408 × 1,603,408
4. Step 4: Simplify right side
   731,744x = 2,570,917,214,464
5. Step 5: Solve for x
   x = 2,570,917,214,464/731,744
6. Step 6: Final answer
   x = 3,513,410.72