Finding the Third Proportional to 57,919.50 and 126,910

Step by Step Solution

1. Step 1: Write the proportion equation
   57,919.50 : 126,910 = 126,910 : x
2. Step 2: Convert to fraction form
   57,919.50/126,910 = 126,910/x
3. Step 3: Cross multiply
   57,919.50x = 126,910 × 126,910
4. Step 4: Simplify right side
   57,919.50x = 16,106,148,100
5. Step 5: Solve for x
   x = 16,106,148,100/57,919.50
6. Step 6: Final answer
   x = 278,078.16