Finding the Third Proportional to 30,208 and 63,170

Step by Step Solution

1. Step 1: Write the proportion equation
   30,208 : 63,170 = 63,170 : x
2. Step 2: Convert to fraction form
   30,208/63,170 = 63,170/x
3. Step 3: Cross multiply
   30,208x = 63,170 × 63,170
4. Step 4: Simplify right side
   30,208x = 3,990,448,900
5. Step 5: Solve for x
   x = 3,990,448,900/30,208
6. Step 6: Final answer
   x = 132,099.08