Finding the Third Proportional to 139,059 and 304,253

Step by Step Solution

1. Step 1: Write the proportion equation
   139,059 : 304,253 = 304,253 : x
2. Step 2: Convert to fraction form
   139,059/304,253 = 304,253/x
3. Step 3: Cross multiply
   139,059x = 304,253 × 304,253
4. Step 4: Simplify right side
   139,059x = 92,569,888,009
5. Step 5: Solve for x
   x = 92,569,888,009/139,059
6. Step 6: Final answer
   x = 665,687.86