Finding the Third Proportional to 116,928 and 252,540

Step by Step Solution

1. Step 1: Write the proportion equation
   116,928 : 252,540 = 252,540 : x
2. Step 2: Convert to fraction form
   116,928/252,540 = 252,540/x
3. Step 3: Cross multiply
   116,928x = 252,540 × 252,540
4. Step 4: Simplify right side
   116,928x = 63,776,451,600
5. Step 5: Solve for x
   x = 63,776,451,600/116,928
6. Step 6: Final answer
   x = 545,433.53