Finding the Third Proportional to 328,185 and 725,260.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,185 : 725,260.50 = 725,260.50 : x
2. Step 2: Convert to fraction form
   328,185/725,260.50 = 725,260.50/x
3. Step 3: Cross multiply
   328,185x = 725,260.50 × 725,260.50
4. Step 4: Simplify right side
   328,185x = 526,002,792,860.25
5. Step 5: Solve for x
   x = 526,002,792,860.25/328,185
6. Step 6: Final answer
   x = 1,602,763.05