Finding the Third Proportional to 139,467 and 304,854

Step by Step Solution

1. Step 1: Write the proportion equation
   139,467 : 304,854 = 304,854 : x
2. Step 2: Convert to fraction form
   139,467/304,854 = 304,854/x
3. Step 3: Cross multiply
   139,467x = 304,854 × 304,854
4. Step 4: Simplify right side
   139,467x = 92,935,961,316
5. Step 5: Solve for x
   x = 92,935,961,316/139,467
6. Step 6: Final answer
   x = 666,365.24