Finding the Third Proportional to 109,179 and 165,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,179 : 165,739.50 = 165,739.50 : x
2. Step 2: Convert to fraction form
   109,179/165,739.50 = 165,739.50/x
3. Step 3: Cross multiply
   109,179x = 165,739.50 × 165,739.50
4. Step 4: Simplify right side
   109,179x = 27,469,581,860.25
5. Step 5: Solve for x
   x = 27,469,581,860.25/109,179
6. Step 6: Final answer
   x = 251,601.33