Finding the Third Proportional to 139,809 and 304,194

Step by Step Solution

1. Step 1: Write the proportion equation
   139,809 : 304,194 = 304,194 : x
2. Step 2: Convert to fraction form
   139,809/304,194 = 304,194/x
3. Step 3: Cross multiply
   139,809x = 304,194 × 304,194
4. Step 4: Simplify right side
   139,809x = 92,533,989,636
5. Step 5: Solve for x
   x = 92,533,989,636/139,809
6. Step 6: Final answer
   x = 661,860.04