Finding the Third Proportional to 259,487.25 and 570,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,487.25 : 570,094.50 = 570,094.50 : x
2. Step 2: Convert to fraction form
   259,487.25/570,094.50 = 570,094.50/x
3. Step 3: Cross multiply
   259,487.25x = 570,094.50 × 570,094.50
4. Step 4: Simplify right side
   259,487.25x = 325,007,738,930.25
5. Step 5: Solve for x
   x = 325,007,738,930.25/259,487.25
6. Step 6: Final answer
   x = 1,252,499.84