Finding the Third Proportional to 67,296,966 and 146,403,732

Step by Step Solution

1. Step 1: Write the proportion equation
   67,296,966 : 146,403,732 = 146,403,732 : x
2. Step 2: Convert to fraction form
   67,296,966/146,403,732 = 146,403,732/x
3. Step 3: Cross multiply
   67,296,966x = 146,403,732 × 146,403,732
4. Step 4: Simplify right side
   67,296,966x = 21,434,052,743,527,824
5. Step 5: Solve for x
   x = 21,434,052,743,527,824/67,296,966
6. Step 6: Final answer
   x = 318,499,540.43