Finding the Third Proportional to 262,786.50 and 544,239

Step by Step Solution

1. Step 1: Write the proportion equation
   262,786.50 : 544,239 = 544,239 : x
2. Step 2: Convert to fraction form
   262,786.50/544,239 = 544,239/x
3. Step 3: Cross multiply
   262,786.50x = 544,239 × 544,239
4. Step 4: Simplify right side
   262,786.50x = 296,196,089,121
5. Step 5: Solve for x
   x = 296,196,089,121/262,786.50
6. Step 6: Final answer
   x = 1,127,135.87