Finding the Third Proportional to 67,304,617 and 146,401,618

Step by Step Solution

1. Step 1: Write the proportion equation
   67,304,617 : 146,401,618 = 146,401,618 : x
2. Step 2: Convert to fraction form
   67,304,617/146,401,618 = 146,401,618/x
3. Step 3: Cross multiply
   67,304,617x = 146,401,618 × 146,401,618
4. Step 4: Simplify right side
   67,304,617x = 21,433,433,753,017,924
5. Step 5: Solve for x
   x = 21,433,433,753,017,924/67,304,617
6. Step 6: Final answer
   x = 318,454,137.45