Finding the Third Proportional to 1,870,636 and 4,040,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,636 : 4,040,180 = 4,040,180 : x
2. Step 2: Convert to fraction form
   1,870,636/4,040,180 = 4,040,180/x
3. Step 3: Cross multiply
   1,870,636x = 4,040,180 × 4,040,180
4. Step 4: Simplify right side
   1,870,636x = 16,323,054,432,400
5. Step 5: Solve for x
   x = 16,323,054,432,400/1,870,636
6. Step 6: Final answer
   x = 8,725,938.36