Finding the Third Proportional to 118,429.88 and 259,003.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,429.88 : 259,003.69 = 259,003.69 : x
2. Step 2: Convert to fraction form
   118,429.88/259,003.69 = 259,003.69/x
3. Step 3: Cross multiply
   118,429.88x = 259,003.69 × 259,003.69
4. Step 4: Simplify right side
   118,429.88x = 67,082,910,138.60
5. Step 5: Solve for x
   x = 67,082,910,138.60/118,429.88
6. Step 6: Final answer
   x = 566,435.71