Finding the Third Proportional to 139,824 and 302,976

Step by Step Solution

1. Step 1: Write the proportion equation
   139,824 : 302,976 = 302,976 : x
2. Step 2: Convert to fraction form
   139,824/302,976 = 302,976/x
3. Step 3: Cross multiply
   139,824x = 302,976 × 302,976
4. Step 4: Simplify right side
   139,824x = 91,794,456,576
5. Step 5: Solve for x
   x = 91,794,456,576/139,824
6. Step 6: Final answer
   x = 656,500.00