Finding the Third Proportional to 64,556 and 142,162

Step by Step Solution

1. Step 1: Write the proportion equation
   64,556 : 142,162 = 142,162 : x
2. Step 2: Convert to fraction form
   64,556/142,162 = 142,162/x
3. Step 3: Cross multiply
   64,556x = 142,162 × 142,162
4. Step 4: Simplify right side
   64,556x = 20,210,034,244
5. Step 5: Solve for x
   x = 20,210,034,244/64,556
6. Step 6: Final answer
   x = 313,062.06