Finding the Third Proportional to 56,054.25 and 123,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,054.25 : 123,185.25 = 123,185.25 : x
2. Step 2: Convert to fraction form
   56,054.25/123,185.25 = 123,185.25/x
3. Step 3: Cross multiply
   56,054.25x = 123,185.25 × 123,185.25
4. Step 4: Simplify right side
   56,054.25x = 15,174,605,817.56
5. Step 5: Solve for x
   x = 15,174,605,817.56/56,054.25
6. Step 6: Final answer
   x = 270,712.85