Finding the Third Proportional to 118,590.50 and 259,303

Step by Step Solution

1. Step 1: Write the proportion equation
   118,590.50 : 259,303 = 259,303 : x
2. Step 2: Convert to fraction form
   118,590.50/259,303 = 259,303/x
3. Step 3: Cross multiply
   118,590.50x = 259,303 × 259,303
4. Step 4: Simplify right side
   118,590.50x = 67,238,045,809
5. Step 5: Solve for x
   x = 67,238,045,809/118,590.50
6. Step 6: Final answer
   x = 566,976.66