Finding the Third Proportional to 115,928 and 253,996

Step by Step Solution

1. Step 1: Write the proportion equation
   115,928 : 253,996 = 253,996 : x
2. Step 2: Convert to fraction form
   115,928/253,996 = 253,996/x
3. Step 3: Cross multiply
   115,928x = 253,996 × 253,996
4. Step 4: Simplify right side
   115,928x = 64,513,968,016
5. Step 5: Solve for x
   x = 64,513,968,016/115,928
6. Step 6: Final answer
   x = 556,500.31