Finding the Third Proportional to 139,462 and 304,844

Step by Step Solution

1. Step 1: Write the proportion equation
   139,462 : 304,844 = 304,844 : x
2. Step 2: Convert to fraction form
   139,462/304,844 = 304,844/x
3. Step 3: Cross multiply
   139,462x = 304,844 × 304,844
4. Step 4: Simplify right side
   139,462x = 92,929,864,336
5. Step 5: Solve for x
   x = 92,929,864,336/139,462
6. Step 6: Final answer
   x = 666,345.42