Finding the Third Proportional to 81,828 and 120,150

Step by Step Solution

1. Step 1: Write the proportion equation
   81,828 : 120,150 = 120,150 : x
2. Step 2: Convert to fraction form
   81,828/120,150 = 120,150/x
3. Step 3: Cross multiply
   81,828x = 120,150 × 120,150
4. Step 4: Simplify right side
   81,828x = 14,436,022,500
5. Step 5: Solve for x
   x = 14,436,022,500/81,828
6. Step 6: Final answer
   x = 176,419.10