Finding the Third Proportional to 155,848.50 and 340,857

Step by Step Solution

1. Step 1: Write the proportion equation
   155,848.50 : 340,857 = 340,857 : x
2. Step 2: Convert to fraction form
   155,848.50/340,857 = 340,857/x
3. Step 3: Cross multiply
   155,848.50x = 340,857 × 340,857
4. Step 4: Simplify right side
   155,848.50x = 116,183,494,449
5. Step 5: Solve for x
   x = 116,183,494,449/155,848.50
6. Step 6: Final answer
   x = 745,489.98