Finding the Third Proportional to 333,153 and 728,442

Step by Step Solution

1. Step 1: Write the proportion equation
   333,153 : 728,442 = 728,442 : x
2. Step 2: Convert to fraction form
   333,153/728,442 = 728,442/x
3. Step 3: Cross multiply
   333,153x = 728,442 × 728,442
4. Step 4: Simplify right side
   333,153x = 530,627,747,364
5. Step 5: Solve for x
   x = 530,627,747,364/333,153
6. Step 6: Final answer
   x = 1,592,744.92