Finding the Third Proportional to 155,869 and 340,895

Step by Step Solution

1. Step 1: Write the proportion equation
   155,869 : 340,895 = 340,895 : x
2. Step 2: Convert to fraction form
   155,869/340,895 = 340,895/x
3. Step 3: Cross multiply
   155,869x = 340,895 × 340,895
4. Step 4: Simplify right side
   155,869x = 116,209,401,025
5. Step 5: Solve for x
   x = 116,209,401,025/155,869
6. Step 6: Final answer
   x = 745,558.14