Finding the Third Proportional to 155,826 and 340,812

Step by Step Solution

1. Step 1: Write the proportion equation
   155,826 : 340,812 = 340,812 : x
2. Step 2: Convert to fraction form
   155,826/340,812 = 340,812/x
3. Step 3: Cross multiply
   155,826x = 340,812 × 340,812
4. Step 4: Simplify right side
   155,826x = 116,152,819,344
5. Step 5: Solve for x
   x = 116,152,819,344/155,826
6. Step 6: Final answer
   x = 745,400.76