Finding the Third Proportional to 155,399 and 333,454

Step by Step Solution

1. Step 1: Write the proportion equation
   155,399 : 333,454 = 333,454 : x
2. Step 2: Convert to fraction form
   155,399/333,454 = 333,454/x
3. Step 3: Cross multiply
   155,399x = 333,454 × 333,454
4. Step 4: Simplify right side
   155,399x = 111,191,570,116
5. Step 5: Solve for x
   x = 111,191,570,116/155,399
6. Step 6: Final answer
   x = 715,523.07