Finding the Third Proportional to 324,550 and 708,150

Step by Step Solution

1. Step 1: Write the proportion equation
   324,550 : 708,150 = 708,150 : x
2. Step 2: Convert to fraction form
   324,550/708,150 = 708,150/x
3. Step 3: Cross multiply
   324,550x = 708,150 × 708,150
4. Step 4: Simplify right side
   324,550x = 501,476,422,500
5. Step 5: Solve for x
   x = 501,476,422,500/324,550
6. Step 6: Final answer
   x = 1,545,143.81