Finding the Third Proportional to 126,463.50 and 190,530

Step by Step Solution

1. Step 1: Write the proportion equation
   126,463.50 : 190,530 = 190,530 : x
2. Step 2: Convert to fraction form
   126,463.50/190,530 = 190,530/x
3. Step 3: Cross multiply
   126,463.50x = 190,530 × 190,530
4. Step 4: Simplify right side
   126,463.50x = 36,301,680,900
5. Step 5: Solve for x
   x = 36,301,680,900/126,463.50
6. Step 6: Final answer
   x = 287,052.63