Finding the Third Proportional to 118,492 and 259,945

Step by Step Solution

1. Step 1: Write the proportion equation
   118,492 : 259,945 = 259,945 : x
2. Step 2: Convert to fraction form
   118,492/259,945 = 259,945/x
3. Step 3: Cross multiply
   118,492x = 259,945 × 259,945
4. Step 4: Simplify right side
   118,492x = 67,571,403,025
5. Step 5: Solve for x
   x = 67,571,403,025/118,492
6. Step 6: Final answer
   x = 570,261.31