Finding the Third Proportional to 56,989 and 124,012

Step by Step Solution

1. Step 1: Write the proportion equation
   56,989 : 124,012 = 124,012 : x
2. Step 2: Convert to fraction form
   56,989/124,012 = 124,012/x
3. Step 3: Cross multiply
   56,989x = 124,012 × 124,012
4. Step 4: Simplify right side
   56,989x = 15,378,976,144
5. Step 5: Solve for x
   x = 15,378,976,144/56,989
6. Step 6: Final answer
   x = 269,858.68