Finding the Third Proportional to 139,066 and 303,508

Step by Step Solution

1. Step 1: Write the proportion equation
   139,066 : 303,508 = 303,508 : x
2. Step 2: Convert to fraction form
   139,066/303,508 = 303,508/x
3. Step 3: Cross multiply
   139,066x = 303,508 × 303,508
4. Step 4: Simplify right side
   139,066x = 92,117,106,064
5. Step 5: Solve for x
   x = 92,117,106,064/139,066
6. Step 6: Final answer
   x = 662,398.47