Finding the Third Proportional to 155,403 and 333,462

Step by Step Solution

1. Step 1: Write the proportion equation
   155,403 : 333,462 = 333,462 : x
2. Step 2: Convert to fraction form
   155,403/333,462 = 333,462/x
3. Step 3: Cross multiply
   155,403x = 333,462 × 333,462
4. Step 4: Simplify right side
   155,403x = 111,196,905,444
5. Step 5: Solve for x
   x = 111,196,905,444/155,403
6. Step 6: Final answer
   x = 715,538.99