Finding the Third Proportional to 139,032 and 303,558

Step by Step Solution

1. Step 1: Write the proportion equation
   139,032 : 303,558 = 303,558 : x
2. Step 2: Convert to fraction form
   139,032/303,558 = 303,558/x
3. Step 3: Cross multiply
   139,032x = 303,558 × 303,558
4. Step 4: Simplify right side
   139,032x = 92,147,459,364
5. Step 5: Solve for x
   x = 92,147,459,364/139,032
6. Step 6: Final answer
   x = 662,778.78