Finding the Third Proportional to 67,304,746 and 146,401,978

Step by Step Solution

1. Step 1: Write the proportion equation
   67,304,746 : 146,401,978 = 146,401,978 : x
2. Step 2: Convert to fraction form
   67,304,746/146,401,978 = 146,401,978/x
3. Step 3: Cross multiply
   67,304,746x = 146,401,978 × 146,401,978
4. Step 4: Simplify right side
   67,304,746x = 21,433,539,162,312,484
5. Step 5: Solve for x
   x = 21,433,539,162,312,484/67,304,746
6. Step 6: Final answer
   x = 318,455,093.23