Finding the Third Proportional to 139,007 and 303,502

Step by Step Solution

1. Step 1: Write the proportion equation
   139,007 : 303,502 = 303,502 : x
2. Step 2: Convert to fraction form
   139,007/303,502 = 303,502/x
3. Step 3: Cross multiply
   139,007x = 303,502 × 303,502
4. Step 4: Simplify right side
   139,007x = 92,113,464,004
5. Step 5: Solve for x
   x = 92,113,464,004/139,007
6. Step 6: Final answer
   x = 662,653.42