Finding the Third Proportional to 324,519 and 484,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   324,519 : 484,078.50 = 484,078.50 : x
2. Step 2: Convert to fraction form
   324,519/484,078.50 = 484,078.50/x
3. Step 3: Cross multiply
   324,519x = 484,078.50 × 484,078.50
4. Step 4: Simplify right side
   324,519x = 234,331,994,162.25
5. Step 5: Solve for x
   x = 234,331,994,162.25/324,519
6. Step 6: Final answer
   x = 722,090.21