Finding the Third Proportional to 145,550 and 231,446.75

Step by Step Solution

1. Step 1: Write the proportion equation
   145,550 : 231,446.75 = 231,446.75 : x
2. Step 2: Convert to fraction form
   145,550/231,446.75 = 231,446.75/x
3. Step 3: Cross multiply
   145,550x = 231,446.75 × 231,446.75
4. Step 4: Simplify right side
   145,550x = 53,567,598,085.56
5. Step 5: Solve for x
   x = 53,567,598,085.56/145,550
6. Step 6: Final answer
   x = 368,035.71