Finding the Third Proportional to 155,223 and 340,928

Step by Step Solution

1. Step 1: Write the proportion equation
   155,223 : 340,928 = 340,928 : x
2. Step 2: Convert to fraction form
   155,223/340,928 = 340,928/x
3. Step 3: Cross multiply
   155,223x = 340,928 × 340,928
4. Step 4: Simplify right side
   155,223x = 116,231,901,184
5. Step 5: Solve for x
   x = 116,231,901,184/155,223
6. Step 6: Final answer
   x = 748,805.92