Finding the Third Proportional to 155,976.50 and 341,039

Step by Step Solution

1. Step 1: Write the proportion equation
   155,976.50 : 341,039 = 341,039 : x
2. Step 2: Convert to fraction form
   155,976.50/341,039 = 341,039/x
3. Step 3: Cross multiply
   155,976.50x = 341,039 × 341,039
4. Step 4: Simplify right side
   155,976.50x = 116,307,599,521
5. Step 5: Solve for x
   x = 116,307,599,521/155,976.50
6. Step 6: Final answer
   x = 745,673.86