Finding the Third Proportional to 400,761 and 574,067.25

Step by Step Solution

1. Step 1: Write the proportion equation
   400,761 : 574,067.25 = 574,067.25 : x
2. Step 2: Convert to fraction form
   400,761/574,067.25 = 574,067.25/x
3. Step 3: Cross multiply
   400,761x = 574,067.25 × 574,067.25
4. Step 4: Simplify right side
   400,761x = 329,553,207,522.56
5. Step 5: Solve for x
   x = 329,553,207,522.56/400,761
6. Step 6: Final answer
   x = 822,318.56