Finding the Third Proportional to 145,543.50 and 231,437.25

Step by Step Solution

1. Step 1: Write the proportion equation
   145,543.50 : 231,437.25 = 231,437.25 : x
2. Step 2: Convert to fraction form
   145,543.50/231,437.25 = 231,437.25/x
3. Step 3: Cross multiply
   145,543.50x = 231,437.25 × 231,437.25
4. Step 4: Simplify right side
   145,543.50x = 53,563,200,687.56
5. Step 5: Solve for x
   x = 53,563,200,687.56/145,543.50
6. Step 6: Final answer
   x = 368,021.94