Finding the Third Proportional to 247,239 and 507,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   247,239 : 507,584.50 = 507,584.50 : x
2. Step 2: Convert to fraction form
   247,239/507,584.50 = 507,584.50/x
3. Step 3: Cross multiply
   247,239x = 507,584.50 × 507,584.50
4. Step 4: Simplify right side
   247,239x = 257,642,024,640.25
5. Step 5: Solve for x
   x = 257,642,024,640.25/247,239
6. Step 6: Final answer
   x = 1,042,076.79