Finding the Third Proportional to 90,518.50 and 126,610

Step by Step Solution

1. Step 1: Write the proportion equation
   90,518.50 : 126,610 = 126,610 : x
2. Step 2: Convert to fraction form
   90,518.50/126,610 = 126,610/x
3. Step 3: Cross multiply
   90,518.50x = 126,610 × 126,610
4. Step 4: Simplify right side
   90,518.50x = 16,030,092,100
5. Step 5: Solve for x
   x = 16,030,092,100/90,518.50
6. Step 6: Final answer
   x = 177,091.89