Finding the Third Proportional to 155,406 and 333,468

Step by Step Solution

1. Step 1: Write the proportion equation
   155,406 : 333,468 = 333,468 : x
2. Step 2: Convert to fraction form
   155,406/333,468 = 333,468/x
3. Step 3: Cross multiply
   155,406x = 333,468 × 333,468
4. Step 4: Simplify right side
   155,406x = 111,200,907,024
5. Step 5: Solve for x
   x = 111,200,907,024/155,406
6. Step 6: Final answer
   x = 715,550.92