Finding the Third Proportional to 118,147.50 and 259,263

Step by Step Solution

1. Step 1: Write the proportion equation
   118,147.50 : 259,263 = 259,263 : x
2. Step 2: Convert to fraction form
   118,147.50/259,263 = 259,263/x
3. Step 3: Cross multiply
   118,147.50x = 259,263 × 259,263
4. Step 4: Simplify right side
   118,147.50x = 67,217,303,169
5. Step 5: Solve for x
   x = 67,217,303,169/118,147.50
6. Step 6: Final answer
   x = 568,927.00