Finding the Third Proportional to 3,879,984 and 5,873,658

Step by Step Solution

1. Step 1: Write the proportion equation
   3,879,984 : 5,873,658 = 5,873,658 : x
2. Step 2: Convert to fraction form
   3,879,984/5,873,658 = 5,873,658/x
3. Step 3: Cross multiply
   3,879,984x = 5,873,658 × 5,873,658
4. Step 4: Simplify right side
   3,879,984x = 34,499,858,300,964
5. Step 5: Solve for x
   x = 34,499,858,300,964/3,879,984
6. Step 6: Final answer
   x = 8,891,752.72