Finding the Third Proportional to 2,966,978 and 6,353,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,966,978 : 6,353,856 = 6,353,856 : x
2. Step 2: Convert to fraction form
   2,966,978/6,353,856 = 6,353,856/x
3. Step 3: Cross multiply
   2,966,978x = 6,353,856 × 6,353,856
4. Step 4: Simplify right side
   2,966,978x = 40,371,486,068,736
5. Step 5: Solve for x
   x = 40,371,486,068,736/2,966,978
6. Step 6: Final answer
   x = 13,606,938.13