Finding the Third Proportional to 2,870,142 and 6,196,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,142 : 6,196,856 = 6,196,856 : x
2. Step 2: Convert to fraction form
   2,870,142/6,196,856 = 6,196,856/x
3. Step 3: Cross multiply
   2,870,142x = 6,196,856 × 6,196,856
4. Step 4: Simplify right side
   2,870,142x = 38,401,024,284,736
5. Step 5: Solve for x
   x = 38,401,024,284,736/2,870,142
6. Step 6: Final answer
   x = 13,379,485.85