Finding the Third Proportional to 384,365.25 and 573,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   384,365.25 : 573,404.06 = 573,404.06 : x
2. Step 2: Convert to fraction form
   384,365.25/573,404.06 = 573,404.06/x
3. Step 3: Cross multiply
   384,365.25x = 573,404.06 × 573,404.06
4. Step 4: Simplify right side
   384,365.25x = 328,792,218,891.50
5. Step 5: Solve for x
   x = 328,792,218,891.50/384,365.25
6. Step 6: Final answer
   x = 855,416.09