Finding the Third Proportional to 324,513 and 484,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   324,513 : 484,069.50 = 484,069.50 : x
2. Step 2: Convert to fraction form
   324,513/484,069.50 = 484,069.50/x
3. Step 3: Cross multiply
   324,513x = 484,069.50 × 484,069.50
4. Step 4: Simplify right side
   324,513x = 234,323,280,830.25
5. Step 5: Solve for x
   x = 234,323,280,830.25/324,513
6. Step 6: Final answer
   x = 722,076.71