Finding the Third Proportional to 340,832 and 518,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,832 : 518,329.50 = 518,329.50 : x
2. Step 2: Convert to fraction form
   340,832/518,329.50 = 518,329.50/x
3. Step 3: Cross multiply
   340,832x = 518,329.50 × 518,329.50
4. Step 4: Simplify right side
   340,832x = 268,665,470,570.25
5. Step 5: Solve for x
   x = 268,665,470,570.25/340,832
6. Step 6: Final answer
   x = 788,263.63