Finding the Third Proportional to 326,505.94 and 676,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   326,505.94 : 676,081.69 = 676,081.69 : x
2. Step 2: Convert to fraction form
   326,505.94/676,081.69 = 676,081.69/x
3. Step 3: Cross multiply
   326,505.94x = 676,081.69 × 676,081.69
4. Step 4: Simplify right side
   326,505.94x = 457,086,448,172.85
5. Step 5: Solve for x
   x = 457,086,448,172.85/326,505.94
6. Step 6: Final answer
   x = 1,399,933.04