Finding the Third Proportional to 118,494 and 259,949

Step by Step Solution

1. Step 1: Write the proportion equation
   118,494 : 259,949 = 259,949 : x
2. Step 2: Convert to fraction form
   118,494/259,949 = 259,949/x
3. Step 3: Cross multiply
   118,494x = 259,949 × 259,949
4. Step 4: Simplify right side
   118,494x = 67,573,482,601
5. Step 5: Solve for x
   x = 67,573,482,601/118,494
6. Step 6: Final answer
   x = 570,269.23