Finding the Third Proportional to 67,642,165 and 144,850,262

Step by Step Solution

1. Step 1: Write the proportion equation
   67,642,165 : 144,850,262 = 144,850,262 : x
2. Step 2: Convert to fraction form
   67,642,165/144,850,262 = 144,850,262/x
3. Step 3: Cross multiply
   67,642,165x = 144,850,262 × 144,850,262
4. Step 4: Simplify right side
   67,642,165x = 20,981,598,401,468,644
5. Step 5: Solve for x
   x = 20,981,598,401,468,644/67,642,165
6. Step 6: Final answer
   x = 310,185,198.85