Finding the Third Proportional to 122,287 and 264,930.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,287 : 264,930.25 = 264,930.25 : x
2. Step 2: Convert to fraction form
   122,287/264,930.25 = 264,930.25/x
3. Step 3: Cross multiply
   122,287x = 264,930.25 × 264,930.25
4. Step 4: Simplify right side
   122,287x = 70,188,037,365.06
5. Step 5: Solve for x
   x = 70,188,037,365.06/122,287
6. Step 6: Final answer
   x = 573,961.56