Finding the Third Proportional to 333,243 and 725,616

Step by Step Solution

1. Step 1: Write the proportion equation
   333,243 : 725,616 = 725,616 : x
2. Step 2: Convert to fraction form
   333,243/725,616 = 725,616/x
3. Step 3: Cross multiply
   333,243x = 725,616 × 725,616
4. Step 4: Simplify right side
   333,243x = 526,518,579,456
5. Step 5: Solve for x
   x = 526,518,579,456/333,243
6. Step 6: Final answer
   x = 1,579,983.91