Finding the Third Proportional to 139,680 and 303,152

Step by Step Solution

1. Step 1: Write the proportion equation
   139,680 : 303,152 = 303,152 : x
2. Step 2: Convert to fraction form
   139,680/303,152 = 303,152/x
3. Step 3: Cross multiply
   139,680x = 303,152 × 303,152
4. Step 4: Simplify right side
   139,680x = 91,901,135,104
5. Step 5: Solve for x
   x = 91,901,135,104/139,680
6. Step 6: Final answer
   x = 657,940.54