Finding the Third Proportional to 118,874 and 259,071.75

Step by Step Solution

1. Step 1: Write the proportion equation
   118,874 : 259,071.75 = 259,071.75 : x
2. Step 2: Convert to fraction form
   118,874/259,071.75 = 259,071.75/x
3. Step 3: Cross multiply
   118,874x = 259,071.75 × 259,071.75
4. Step 4: Simplify right side
   118,874x = 67,118,171,648.06
5. Step 5: Solve for x
   x = 67,118,171,648.06/118,874
6. Step 6: Final answer
   x = 564,616.08