Finding the Third Proportional to 250,607.25 and 551,063.25

Step by Step Solution

1. Step 1: Write the proportion equation
   250,607.25 : 551,063.25 = 551,063.25 : x
2. Step 2: Convert to fraction form
   250,607.25/551,063.25 = 551,063.25/x
3. Step 3: Cross multiply
   250,607.25x = 551,063.25 × 551,063.25
4. Step 4: Simplify right side
   250,607.25x = 303,670,705,500.56
5. Step 5: Solve for x
   x = 303,670,705,500.56/250,607.25
6. Step 6: Final answer
   x = 1,211,739.51