Finding the Third Proportional to 145,499.63 and 225,814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,499.63 : 225,814.50 = 225,814.50 : x
2. Step 2: Convert to fraction form
   145,499.63/225,814.50 = 225,814.50/x
3. Step 3: Cross multiply
   145,499.63x = 225,814.50 × 225,814.50
4. Step 4: Simplify right side
   145,499.63x = 50,992,188,410.25
5. Step 5: Solve for x
   x = 50,992,188,410.25/145,499.63
6. Step 6: Final answer
   x = 350,462.68