Finding the Third Proportional to 67,642,156.50 and 144,850,245

Step by Step Solution

1. Step 1: Write the proportion equation
   67,642,156.50 : 144,850,245 = 144,850,245 : x
2. Step 2: Convert to fraction form
   67,642,156.50/144,850,245 = 144,850,245/x
3. Step 3: Cross multiply
   67,642,156.50x = 144,850,245 × 144,850,245
4. Step 4: Simplify right side
   67,642,156.50x = 20,981,593,476,560,024
5. Step 5: Solve for x
   x = 20,981,593,476,560,024/67,642,156.50
6. Step 6: Final answer
   x = 310,185,165.02