Finding the Third Proportional to 116,589 and 251,016

Step by Step Solution

1. Step 1: Write the proportion equation
   116,589 : 251,016 = 251,016 : x
2. Step 2: Convert to fraction form
   116,589/251,016 = 251,016/x
3. Step 3: Cross multiply
   116,589x = 251,016 × 251,016
4. Step 4: Simplify right side
   116,589x = 63,009,032,256
5. Step 5: Solve for x
   x = 63,009,032,256/116,589
6. Step 6: Final answer
   x = 540,437.20