Finding the Third Proportional to 126,244.50 and 275,088

Step by Step Solution

1. Step 1: Write the proportion equation
   126,244.50 : 275,088 = 275,088 : x
2. Step 2: Convert to fraction form
   126,244.50/275,088 = 275,088/x
3. Step 3: Cross multiply
   126,244.50x = 275,088 × 275,088
4. Step 4: Simplify right side
   126,244.50x = 75,673,407,744
5. Step 5: Solve for x
   x = 75,673,407,744/126,244.50
6. Step 6: Final answer
   x = 599,419.44