Finding the Third Proportional to 172,408.50 and 230,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   172,408.50 : 230,100.75 = 230,100.75 : x
2. Step 2: Convert to fraction form
   172,408.50/230,100.75 = 230,100.75/x
3. Step 3: Cross multiply
   172,408.50x = 230,100.75 × 230,100.75
4. Step 4: Simplify right side
   172,408.50x = 52,946,355,150.56
5. Step 5: Solve for x
   x = 52,946,355,150.56/172,408.50
6. Step 6: Final answer
   x = 307,098.29