Finding the Third Proportional to 81,911.25 and 175,212

Step by Step Solution

1. Step 1: Write the proportion equation
   81,911.25 : 175,212 = 175,212 : x
2. Step 2: Convert to fraction form
   81,911.25/175,212 = 175,212/x
3. Step 3: Cross multiply
   81,911.25x = 175,212 × 175,212
4. Step 4: Simplify right side
   81,911.25x = 30,699,244,944
5. Step 5: Solve for x
   x = 30,699,244,944/81,911.25
6. Step 6: Final answer
   x = 374,786.67