Finding the Third Proportional to 126,900 and 300,632

Step by Step Solution

1. Step 1: Write the proportion equation
   126,900 : 300,632 = 300,632 : x
2. Step 2: Convert to fraction form
   126,900/300,632 = 300,632/x
3. Step 3: Cross multiply
   126,900x = 300,632 × 300,632
4. Step 4: Simplify right side
   126,900x = 90,379,599,424
5. Step 5: Solve for x
   x = 90,379,599,424/126,900
6. Step 6: Final answer
   x = 712,211.19