Finding the Third Proportional to 126,632 and 200,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   126,632 : 200,518.50 = 200,518.50 : x
2. Step 2: Convert to fraction form
   126,632/200,518.50 = 200,518.50/x
3. Step 3: Cross multiply
   126,632x = 200,518.50 × 200,518.50
4. Step 4: Simplify right side
   126,632x = 40,207,668,842.25
5. Step 5: Solve for x
   x = 40,207,668,842.25/126,632
6. Step 6: Final answer
   x = 317,515.86