Finding the Third Proportional to 2,421,169 and 3,618,830

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421,169 : 3,618,830 = 3,618,830 : x
2. Step 2: Convert to fraction form
   2,421,169/3,618,830 = 3,618,830/x
3. Step 3: Cross multiply
   2,421,169x = 3,618,830 × 3,618,830
4. Step 4: Simplify right side
   2,421,169x = 13,095,930,568,900
5. Step 5: Solve for x
   x = 13,095,930,568,900/2,421,169
6. Step 6: Final answer
   x = 5,408,928.73