Finding the Third Proportional to 115,409.25 and 173,873.25

Step by Step Solution

1. Step 1: Write the proportion equation
   115,409.25 : 173,873.25 = 173,873.25 : x
2. Step 2: Convert to fraction form
   115,409.25/173,873.25 = 173,873.25/x
3. Step 3: Cross multiply
   115,409.25x = 173,873.25 × 173,873.25
4. Step 4: Simplify right side
   115,409.25x = 30,231,907,065.56
5. Step 5: Solve for x
   x = 30,231,907,065.56/115,409.25
6. Step 6: Final answer
   x = 261,953.93