Finding the Third Proportional to 1,808,724 and 2,879,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,724 : 2,879,142 = 2,879,142 : x
2. Step 2: Convert to fraction form
   1,808,724/2,879,142 = 2,879,142/x
3. Step 3: Cross multiply
   1,808,724x = 2,879,142 × 2,879,142
4. Step 4: Simplify right side
   1,808,724x = 8,289,458,656,164
5. Step 5: Solve for x
   x = 8,289,458,656,164/1,808,724
6. Step 6: Final answer
   x = 4,583,042.33