Finding the Third Proportional to 155,848 and 340,856

Step by Step Solution

1. Step 1: Write the proportion equation
   155,848 : 340,856 = 340,856 : x
2. Step 2: Convert to fraction form
   155,848/340,856 = 340,856/x
3. Step 3: Cross multiply
   155,848x = 340,856 × 340,856
4. Step 4: Simplify right side
   155,848x = 116,182,812,736
5. Step 5: Solve for x
   x = 116,182,812,736/155,848
6. Step 6: Final answer
   x = 745,487.99