Finding the Third Proportional to 173,162.75 and 259,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,162.75 : 259,047.50 = 259,047.50 : x
2. Step 2: Convert to fraction form
   173,162.75/259,047.50 = 259,047.50/x
3. Step 3: Cross multiply
   173,162.75x = 259,047.50 × 259,047.50
4. Step 4: Simplify right side
   173,162.75x = 67,105,607,256.25
5. Step 5: Solve for x
   x = 67,105,607,256.25/173,162.75
6. Step 6: Final answer
   x = 387,529.11