Finding the Third Proportional to 90,764 and 126,956

Step by Step Solution

1. Step 1: Write the proportion equation
   90,764 : 126,956 = 126,956 : x
2. Step 2: Convert to fraction form
   90,764/126,956 = 126,956/x
3. Step 3: Cross multiply
   90,764x = 126,956 × 126,956
4. Step 4: Simplify right side
   90,764x = 16,117,825,936
5. Step 5: Solve for x
   x = 16,117,825,936/90,764
6. Step 6: Final answer
   x = 177,579.50