Finding the Third Proportional to 8,880,618 and 19,422,060

Step by Step Solution

1. Step 1: Write the proportion equation
   8,880,618 : 19,422,060 = 19,422,060 : x
2. Step 2: Convert to fraction form
   8,880,618/19,422,060 = 19,422,060/x
3. Step 3: Cross multiply
   8,880,618x = 19,422,060 × 19,422,060
4. Step 4: Simplify right side
   8,880,618x = 377,216,414,643,600
5. Step 5: Solve for x
   x = 377,216,414,643,600/8,880,618
6. Step 6: Final answer
   x = 42,476,369.85