Finding the Third Proportional to 155,416 and 333,484

Step by Step Solution

1. Step 1: Write the proportion equation
   155,416 : 333,484 = 333,484 : x
2. Step 2: Convert to fraction form
   155,416/333,484 = 333,484/x
3. Step 3: Cross multiply
   155,416x = 333,484 × 333,484
4. Step 4: Simplify right side
   155,416x = 111,211,578,256
5. Step 5: Solve for x
   x = 111,211,578,256/155,416
6. Step 6: Final answer
   x = 715,573.55