Finding the Third Proportional to 326,028 and 700,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,028 : 700,258.50 = 700,258.50 : x
2. Step 2: Convert to fraction form
   326,028/700,258.50 = 700,258.50/x
3. Step 3: Cross multiply
   326,028x = 700,258.50 × 700,258.50
4. Step 4: Simplify right side
   326,028x = 490,361,966,822.25
5. Step 5: Solve for x
   x = 490,361,966,822.25/326,028
6. Step 6: Final answer
   x = 1,504,048.63