Finding the Third Proportional to 1,441,189 and 3,128,521

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441,189 : 3,128,521 = 3,128,521 : x
2. Step 2: Convert to fraction form
   1,441,189/3,128,521 = 3,128,521/x
3. Step 3: Cross multiply
   1,441,189x = 3,128,521 × 3,128,521
4. Step 4: Simplify right side
   1,441,189x = 9,787,643,647,441
5. Step 5: Solve for x
   x = 9,787,643,647,441/1,441,189
6. Step 6: Final answer
   x = 6,791,367.16