Finding the Third Proportional to 124,985.25 and 274,986

Step by Step Solution

1. Step 1: Write the proportion equation
   124,985.25 : 274,986 = 274,986 : x
2. Step 2: Convert to fraction form
   124,985.25/274,986 = 274,986/x
3. Step 3: Cross multiply
   124,985.25x = 274,986 × 274,986
4. Step 4: Simplify right side
   124,985.25x = 75,617,300,196
5. Step 5: Solve for x
   x = 75,617,300,196/124,985.25
6. Step 6: Final answer
   x = 605,009.79