Finding the Third Proportional to 155,364 and 339,996

Step by Step Solution

1. Step 1: Write the proportion equation
   155,364 : 339,996 = 339,996 : x
2. Step 2: Convert to fraction form
   155,364/339,996 = 339,996/x
3. Step 3: Cross multiply
   155,364x = 339,996 × 339,996
4. Step 4: Simplify right side
   155,364x = 115,597,280,016
5. Step 5: Solve for x
   x = 115,597,280,016/155,364
6. Step 6: Final answer
   x = 744,041.61