Finding the Third Proportional to 2,978,016 and 6,459,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,016 : 6,459,888 = 6,459,888 : x
2. Step 2: Convert to fraction form
   2,978,016/6,459,888 = 6,459,888/x
3. Step 3: Cross multiply
   2,978,016x = 6,459,888 × 6,459,888
4. Step 4: Simplify right side
   2,978,016x = 41,730,152,972,544
5. Step 5: Solve for x
   x = 41,730,152,972,544/2,978,016
6. Step 6: Final answer
   x = 14,012,736.32