Finding the Third Proportional to 3,879,961 and 5,873,613

Step by Step Solution

1. Step 1: Write the proportion equation
   3,879,961 : 5,873,613 = 5,873,613 : x
2. Step 2: Convert to fraction form
   3,879,961/5,873,613 = 5,873,613/x
3. Step 3: Cross multiply
   3,879,961x = 5,873,613 × 5,873,613
4. Step 4: Simplify right side
   3,879,961x = 34,499,329,673,769
5. Step 5: Solve for x
   x = 34,499,329,673,769/3,879,961
6. Step 6: Final answer
   x = 8,891,669.19