Finding the Third Proportional to 118,240 and 262,756

Step by Step Solution

1. Step 1: Write the proportion equation
   118,240 : 262,756 = 262,756 : x
2. Step 2: Convert to fraction form
   118,240/262,756 = 262,756/x
3. Step 3: Cross multiply
   118,240x = 262,756 × 262,756
4. Step 4: Simplify right side
   118,240x = 69,040,715,536
5. Step 5: Solve for x
   x = 69,040,715,536/118,240
6. Step 6: Final answer
   x = 583,903.21