Finding the Third Proportional to 145,453.50 and 308,514

Step by Step Solution

1. Step 1: Write the proportion equation
   145,453.50 : 308,514 = 308,514 : x
2. Step 2: Convert to fraction form
   145,453.50/308,514 = 308,514/x
3. Step 3: Cross multiply
   145,453.50x = 308,514 × 308,514
4. Step 4: Simplify right side
   145,453.50x = 95,180,888,196
5. Step 5: Solve for x
   x = 95,180,888,196/145,453.50
6. Step 6: Final answer
   x = 654,373.31