Finding the Third Proportional to 114,891 and 251,118

Step by Step Solution

1. Step 1: Write the proportion equation
   114,891 : 251,118 = 251,118 : x
2. Step 2: Convert to fraction form
   114,891/251,118 = 251,118/x
3. Step 3: Cross multiply
   114,891x = 251,118 × 251,118
4. Step 4: Simplify right side
   114,891x = 63,060,249,924
5. Step 5: Solve for x
   x = 63,060,249,924/114,891
6. Step 6: Final answer
   x = 548,870.23