Finding the Third Proportional to 118,828.69 and 264,223.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,828.69 : 264,223.69 = 264,223.69 : x
2. Step 2: Convert to fraction form
   118,828.69/264,223.69 = 264,223.69/x
3. Step 3: Cross multiply
   118,828.69x = 264,223.69 × 264,223.69
4. Step 4: Simplify right side
   118,828.69x = 69,814,157,036.10
5. Step 5: Solve for x
   x = 69,814,157,036.10/118,828.69
6. Step 6: Final answer
   x = 587,519.38