Finding the Third Proportional to 124,543.50 and 257,949

Step by Step Solution

1. Step 1: Write the proportion equation
   124,543.50 : 257,949 = 257,949 : x
2. Step 2: Convert to fraction form
   124,543.50/257,949 = 257,949/x
3. Step 3: Cross multiply
   124,543.50x = 257,949 × 257,949
4. Step 4: Simplify right side
   124,543.50x = 66,537,686,601
5. Step 5: Solve for x
   x = 66,537,686,601/124,543.50
6. Step 6: Final answer
   x = 534,252.58