Finding the Third Proportional to 139,576 and 301,616

Step by Step Solution

1. Step 1: Write the proportion equation
   139,576 : 301,616 = 301,616 : x
2. Step 2: Convert to fraction form
   139,576/301,616 = 301,616/x
3. Step 3: Cross multiply
   139,576x = 301,616 × 301,616
4. Step 4: Simplify right side
   139,576x = 90,972,211,456
5. Step 5: Solve for x
   x = 90,972,211,456/139,576
6. Step 6: Final answer
   x = 651,775.46