Finding the Third Proportional to 1,855,556 and 2,867,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855,556 : 2,867,142 = 2,867,142 : x
2. Step 2: Convert to fraction form
   1,855,556/2,867,142 = 2,867,142/x
3. Step 3: Cross multiply
   1,855,556x = 2,867,142 × 2,867,142
4. Step 4: Simplify right side
   1,855,556x = 8,220,503,248,164
5. Step 5: Solve for x
   x = 8,220,503,248,164/1,855,556
6. Step 6: Final answer
   x = 4,430,210.27