Finding the Third Proportional to 67,304,747 and 146,401,980

Step by Step Solution

1. Step 1: Write the proportion equation
   67,304,747 : 146,401,980 = 146,401,980 : x
2. Step 2: Convert to fraction form
   67,304,747/146,401,980 = 146,401,980/x
3. Step 3: Cross multiply
   67,304,747x = 146,401,980 × 146,401,980
4. Step 4: Simplify right side
   67,304,747x = 21,433,539,747,920,400
5. Step 5: Solve for x
   x = 21,433,539,747,920,400/67,304,747
6. Step 6: Final answer
   x = 318,455,097.20