Finding the Third Proportional to 1,619,678 and 3,544,411

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,678 : 3,544,411 = 3,544,411 : x
2. Step 2: Convert to fraction form
   1,619,678/3,544,411 = 3,544,411/x
3. Step 3: Cross multiply
   1,619,678x = 3,544,411 × 3,544,411
4. Step 4: Simplify right side
   1,619,678x = 12,562,849,336,921
5. Step 5: Solve for x
   x = 12,562,849,336,921/1,619,678
6. Step 6: Final answer
   x = 7,756,386.97