Finding the Third Proportional to 81,722 and 175,956

Step by Step Solution

1. Step 1: Write the proportion equation
   81,722 : 175,956 = 175,956 : x
2. Step 2: Convert to fraction form
   81,722/175,956 = 175,956/x
3. Step 3: Cross multiply
   81,722x = 175,956 × 175,956
4. Step 4: Simplify right side
   81,722x = 30,960,513,936
5. Step 5: Solve for x
   x = 30,960,513,936/81,722
6. Step 6: Final answer
   x = 378,851.64