Finding the Third Proportional to 248,914.50 and 585,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,914.50 : 585,103.50 = 585,103.50 : x
2. Step 2: Convert to fraction form
   248,914.50/585,103.50 = 585,103.50/x
3. Step 3: Cross multiply
   248,914.50x = 585,103.50 × 585,103.50
4. Step 4: Simplify right side
   248,914.50x = 342,346,105,712.25
5. Step 5: Solve for x
   x = 342,346,105,712.25/248,914.50
6. Step 6: Final answer
   x = 1,375,356.22