Finding the Third Proportional to 30,618 and 71,003.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,618 : 71,003.25 = 71,003.25 : x
2. Step 2: Convert to fraction form
   30,618/71,003.25 = 71,003.25/x
3. Step 3: Cross multiply
   30,618x = 71,003.25 × 71,003.25
4. Step 4: Simplify right side
   30,618x = 5,041,461,510.56
5. Step 5: Solve for x
   x = 5,041,461,510.56/30,618
6. Step 6: Final answer
   x = 164,656.79