Finding the Third Proportional to 3,946,895 and 8,502,874

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946,895 : 8,502,874 = 8,502,874 : x
2. Step 2: Convert to fraction form
   3,946,895/8,502,874 = 8,502,874/x
3. Step 3: Cross multiply
   3,946,895x = 8,502,874 × 8,502,874
4. Step 4: Simplify right side
   3,946,895x = 72,298,866,259,876
5. Step 5: Solve for x
   x = 72,298,866,259,876/3,946,895
6. Step 6: Final answer
   x = 18,317,909.71