Finding the Third Proportional to 155,499.75 and 333,740.25

Step by Step Solution

1. Step 1: Write the proportion equation
   155,499.75 : 333,740.25 = 333,740.25 : x
2. Step 2: Convert to fraction form
   155,499.75/333,740.25 = 333,740.25/x
3. Step 3: Cross multiply
   155,499.75x = 333,740.25 × 333,740.25
4. Step 4: Simplify right side
   155,499.75x = 111,382,554,470.06
5. Step 5: Solve for x
   x = 111,382,554,470.06/155,499.75
6. Step 6: Final answer
   x = 716,287.68