Finding the Third Proportional to 250,067.25 and 517,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,067.25 : 517,630.50 = 517,630.50 : x
2. Step 2: Convert to fraction form
   250,067.25/517,630.50 = 517,630.50/x
3. Step 3: Cross multiply
   250,067.25x = 517,630.50 × 517,630.50
4. Step 4: Simplify right side
   250,067.25x = 267,941,334,530.25
5. Step 5: Solve for x
   x = 267,941,334,530.25/250,067.25
6. Step 6: Final answer
   x = 1,071,477.11