Finding the Third Proportional to 115,438.50 and 173,495.25

Step by Step Solution

1. Step 1: Write the proportion equation
   115,438.50 : 173,495.25 = 173,495.25 : x
2. Step 2: Convert to fraction form
   115,438.50/173,495.25 = 173,495.25/x
3. Step 3: Cross multiply
   115,438.50x = 173,495.25 × 173,495.25
4. Step 4: Simplify right side
   115,438.50x = 30,100,601,772.56
5. Step 5: Solve for x
   x = 30,100,601,772.56/115,438.50
6. Step 6: Final answer
   x = 260,750.11