Finding the Third Proportional to 115,803 and 173,704.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,803 : 173,704.50 = 173,704.50 : x
2. Step 2: Convert to fraction form
   115,803/173,704.50 = 173,704.50/x
3. Step 3: Cross multiply
   115,803x = 173,704.50 × 173,704.50
4. Step 4: Simplify right side
   115,803x = 30,173,253,320.25
5. Step 5: Solve for x
   x = 30,173,253,320.25/115,803
6. Step 6: Final answer
   x = 260,556.75