Finding the Third Proportional to 118,865 and 259,054

Step by Step Solution

1. Step 1: Write the proportion equation
   118,865 : 259,054 = 259,054 : x
2. Step 2: Convert to fraction form
   118,865/259,054 = 259,054/x
3. Step 3: Cross multiply
   118,865x = 259,054 × 259,054
4. Step 4: Simplify right side
   118,865x = 67,108,974,916
5. Step 5: Solve for x
   x = 67,108,974,916/118,865
6. Step 6: Final answer
   x = 564,581.46