Finding the Third Proportional to 242,268 and 510,996

Step by Step Solution

1. Step 1: Write the proportion equation
   242,268 : 510,996 = 510,996 : x
2. Step 2: Convert to fraction form
   242,268/510,996 = 510,996/x
3. Step 3: Cross multiply
   242,268x = 510,996 × 510,996
4. Step 4: Simplify right side
   242,268x = 261,116,912,016
5. Step 5: Solve for x
   x = 261,116,912,016/242,268
6. Step 6: Final answer
   x = 1,077,801.91