Finding the Third Proportional to 118,831.50 and 264,231

Step by Step Solution

1. Step 1: Write the proportion equation
   118,831.50 : 264,231 = 264,231 : x
2. Step 2: Convert to fraction form
   118,831.50/264,231 = 264,231/x
3. Step 3: Cross multiply
   118,831.50x = 264,231 × 264,231
4. Step 4: Simplify right side
   118,831.50x = 69,818,021,361
5. Step 5: Solve for x
   x = 69,818,021,361/118,831.50
6. Step 6: Final answer
   x = 587,538.00