Finding the Third Proportional to 1,619,684 and 3,543,538

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,684 : 3,543,538 = 3,543,538 : x
2. Step 2: Convert to fraction form
   1,619,684/3,543,538 = 3,543,538/x
3. Step 3: Cross multiply
   1,619,684x = 3,543,538 × 3,543,538
4. Step 4: Simplify right side
   1,619,684x = 12,556,661,557,444
5. Step 5: Solve for x
   x = 12,556,661,557,444/1,619,684
6. Step 6: Final answer
   x = 7,752,537.88