Finding the Third Proportional to 324,084.50 and 490,604

Step by Step Solution

1. Step 1: Write the proportion equation
   324,084.50 : 490,604 = 490,604 : x
2. Step 2: Convert to fraction form
   324,084.50/490,604 = 490,604/x
3. Step 3: Cross multiply
   324,084.50x = 490,604 × 490,604
4. Step 4: Simplify right side
   324,084.50x = 240,692,284,816
5. Step 5: Solve for x
   x = 240,692,284,816/324,084.50
6. Step 6: Final answer
   x = 742,683.73