Finding the Third Proportional to 139,112 and 303,056

Step by Step Solution

1. Step 1: Write the proportion equation
   139,112 : 303,056 = 303,056 : x
2. Step 2: Convert to fraction form
   139,112/303,056 = 303,056/x
3. Step 3: Cross multiply
   139,112x = 303,056 × 303,056
4. Step 4: Simplify right side
   139,112x = 91,842,939,136
5. Step 5: Solve for x
   x = 91,842,939,136/139,112
6. Step 6: Final answer
   x = 660,208.60