Finding the Third Proportional to 1,578,404 and 3,409,044

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,404 : 3,409,044 = 3,409,044 : x
2. Step 2: Convert to fraction form
   1,578,404/3,409,044 = 3,409,044/x
3. Step 3: Cross multiply
   1,578,404x = 3,409,044 × 3,409,044
4. Step 4: Simplify right side
   1,578,404x = 11,621,580,993,936
5. Step 5: Solve for x
   x = 11,621,580,993,936/1,578,404
6. Step 6: Final answer
   x = 7,362,868.44