Finding the Third Proportional to 1,959,618 and 3,997,965

Step by Step Solution

1. Step 1: Write the proportion equation
   1,959,618 : 3,997,965 = 3,997,965 : x
2. Step 2: Convert to fraction form
   1,959,618/3,997,965 = 3,997,965/x
3. Step 3: Cross multiply
   1,959,618x = 3,997,965 × 3,997,965
4. Step 4: Simplify right side
   1,959,618x = 15,983,724,141,225
5. Step 5: Solve for x
   x = 15,983,724,141,225/1,959,618
6. Step 6: Final answer
   x = 8,156,550.99