Finding the Third Proportional to 150,300,192 and 320,283,384

Step by Step Solution

1. Step 1: Write the proportion equation
   150,300,192 : 320,283,384 = 320,283,384 : x
2. Step 2: Convert to fraction form
   150,300,192/320,283,384 = 320,283,384/x
3. Step 3: Cross multiply
   150,300,192x = 320,283,384 × 320,283,384
4. Step 4: Simplify right side
   150,300,192x = 102,581,446,066,491,456
5. Step 5: Solve for x
   x = 102,581,446,066,491,456/150,300,192
6. Step 6: Final answer
   x = 682,510,412.67