Finding the Third Proportional to 2,066,586 and 4,379,016

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066,586 : 4,379,016 = 4,379,016 : x
2. Step 2: Convert to fraction form
   2,066,586/4,379,016 = 4,379,016/x
3. Step 3: Cross multiply
   2,066,586x = 4,379,016 × 4,379,016
4. Step 4: Simplify right side
   2,066,586x = 19,175,781,128,256
5. Step 5: Solve for x
   x = 19,175,781,128,256/2,066,586
6. Step 6: Final answer
   x = 9,278,965.95