Finding the Third Proportional to 118,864.25 and 259,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,864.25 : 259,052.50 = 259,052.50 : x
2. Step 2: Convert to fraction form
   118,864.25/259,052.50 = 259,052.50/x
3. Step 3: Cross multiply
   118,864.25x = 259,052.50 × 259,052.50
4. Step 4: Simplify right side
   118,864.25x = 67,108,197,756.25
5. Step 5: Solve for x
   x = 67,108,197,756.25/118,864.25
6. Step 6: Final answer
   x = 564,578.48