Finding the Third Proportional to 2,118,220 and 4,609,176

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,220 : 4,609,176 = 4,609,176 : x
2. Step 2: Convert to fraction form
   2,118,220/4,609,176 = 4,609,176/x
3. Step 3: Cross multiply
   2,118,220x = 4,609,176 × 4,609,176
4. Step 4: Simplify right side
   2,118,220x = 21,244,503,398,976
5. Step 5: Solve for x
   x = 21,244,503,398,976/2,118,220
6. Step 6: Final answer
   x = 10,029,413.09