Finding the Third Proportional to 2,981,676 and 6,435,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981,676 : 6,435,456 = 6,435,456 : x
2. Step 2: Convert to fraction form
   2,981,676/6,435,456 = 6,435,456/x
3. Step 3: Cross multiply
   2,981,676x = 6,435,456 × 6,435,456
4. Step 4: Simplify right side
   2,981,676x = 41,415,093,927,936
5. Step 5: Solve for x
   x = 41,415,093,927,936/2,981,676
6. Step 6: Final answer
   x = 13,889,870.64