Finding the Third Proportional to 172,188 and 230,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,188 : 230,944.50 = 230,944.50 : x
2. Step 2: Convert to fraction form
   172,188/230,944.50 = 230,944.50/x
3. Step 3: Cross multiply
   172,188x = 230,944.50 × 230,944.50
4. Step 4: Simplify right side
   172,188x = 53,335,362,080.25
5. Step 5: Solve for x
   x = 53,335,362,080.25/172,188
6. Step 6: Final answer
   x = 309,750.75