Finding the Third Proportional to 1,328,404 and 2,751,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,404 : 2,751,328 = 2,751,328 : x
2. Step 2: Convert to fraction form
   1,328,404/2,751,328 = 2,751,328/x
3. Step 3: Cross multiply
   1,328,404x = 2,751,328 × 2,751,328
4. Step 4: Simplify right side
   1,328,404x = 7,569,805,763,584
5. Step 5: Solve for x
   x = 7,569,805,763,584/1,328,404
6. Step 6: Final answer
   x = 5,698,421.39