Finding the Third Proportional to 3,843,928 and 5,406,965

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843,928 : 5,406,965 = 5,406,965 : x
2. Step 2: Convert to fraction form
   3,843,928/5,406,965 = 5,406,965/x
3. Step 3: Cross multiply
   3,843,928x = 5,406,965 × 5,406,965
4. Step 4: Simplify right side
   3,843,928x = 29,235,270,511,225
5. Step 5: Solve for x
   x = 29,235,270,511,225/3,843,928
6. Step 6: Final answer
   x = 7,605,571.83