Finding the Third Proportional to 116,591 and 251,019

Step by Step Solution

1. Step 1: Write the proportion equation
   116,591 : 251,019 = 251,019 : x
2. Step 2: Convert to fraction form
   116,591/251,019 = 251,019/x
3. Step 3: Cross multiply
   116,591x = 251,019 × 251,019
4. Step 4: Simplify right side
   116,591x = 63,010,538,361
5. Step 5: Solve for x
   x = 63,010,538,361/116,591
6. Step 6: Final answer
   x = 540,440.84