Finding the Third Proportional to 67,632 and 142,816

Step by Step Solution

1. Step 1: Write the proportion equation
   67,632 : 142,816 = 142,816 : x
2. Step 2: Convert to fraction form
   67,632/142,816 = 142,816/x
3. Step 3: Cross multiply
   67,632x = 142,816 × 142,816
4. Step 4: Simplify right side
   67,632x = 20,396,409,856
5. Step 5: Solve for x
   x = 20,396,409,856/67,632
6. Step 6: Final answer
   x = 301,579.28