Finding the Third Proportional to 40,871,606 and 68,116,618

Step by Step Solution

1. Step 1: Write the proportion equation
   40,871,606 : 68,116,618 = 68,116,618 : x
2. Step 2: Convert to fraction form
   40,871,606/68,116,618 = 68,116,618/x
3. Step 3: Cross multiply
   40,871,606x = 68,116,618 × 68,116,618
4. Step 4: Simplify right side
   40,871,606x = 4,639,873,647,757,924
5. Step 5: Solve for x
   x = 4,639,873,647,757,924/40,871,606
6. Step 6: Final answer
   x = 113,523,154.63