Finding the Third Proportional to 81,860 and 175,679

Step by Step Solution

1. Step 1: Write the proportion equation
   81,860 : 175,679 = 175,679 : x
2. Step 2: Convert to fraction form
   81,860/175,679 = 175,679/x
3. Step 3: Cross multiply
   81,860x = 175,679 × 175,679
4. Step 4: Simplify right side
   81,860x = 30,863,111,041
5. Step 5: Solve for x
   x = 30,863,111,041/81,860
6. Step 6: Final answer
   x = 377,023.10