Finding the Third Proportional to 1,619,238 and 3,553,404

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,238 : 3,553,404 = 3,553,404 : x
2. Step 2: Convert to fraction form
   1,619,238/3,553,404 = 3,553,404/x
3. Step 3: Cross multiply
   1,619,238x = 3,553,404 × 3,553,404
4. Step 4: Simplify right side
   1,619,238x = 12,626,679,987,216
5. Step 5: Solve for x
   x = 12,626,679,987,216/1,619,238
6. Step 6: Final answer
   x = 7,797,914.81