Finding the Third Proportional to 139,169 and 303,610

Step by Step Solution

1. Step 1: Write the proportion equation
   139,169 : 303,610 = 303,610 : x
2. Step 2: Convert to fraction form
   139,169/303,610 = 303,610/x
3. Step 3: Cross multiply
   139,169x = 303,610 × 303,610
4. Step 4: Simplify right side
   139,169x = 92,179,032,100
5. Step 5: Solve for x
   x = 92,179,032,100/139,169
6. Step 6: Final answer
   x = 662,353.20