Finding the Third Proportional to 2,959,662 and 4,439,889

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959,662 : 4,439,889 = 4,439,889 : x
2. Step 2: Convert to fraction form
   2,959,662/4,439,889 = 4,439,889/x
3. Step 3: Cross multiply
   2,959,662x = 4,439,889 × 4,439,889
4. Step 4: Simplify right side
   2,959,662x = 19,712,614,332,321
5. Step 5: Solve for x
   x = 19,712,614,332,321/2,959,662
6. Step 6: Final answer
   x = 6,660,427.55