Finding the Third Proportional to 81,582.75 and 178,110

Step by Step Solution

1. Step 1: Write the proportion equation
   81,582.75 : 178,110 = 178,110 : x
2. Step 2: Convert to fraction form
   81,582.75/178,110 = 178,110/x
3. Step 3: Cross multiply
   81,582.75x = 178,110 × 178,110
4. Step 4: Simplify right side
   81,582.75x = 31,723,172,100
5. Step 5: Solve for x
   x = 31,723,172,100/81,582.75
6. Step 6: Final answer
   x = 388,846.56