Finding the Third Proportional to 30,313.50 and 70,806

Step by Step Solution

1. Step 1: Write the proportion equation
   30,313.50 : 70,806 = 70,806 : x
2. Step 2: Convert to fraction form
   30,313.50/70,806 = 70,806/x
3. Step 3: Cross multiply
   30,313.50x = 70,806 × 70,806
4. Step 4: Simplify right side
   30,313.50x = 5,013,489,636
5. Step 5: Solve for x
   x = 5,013,489,636/30,313.50
6. Step 6: Final answer
   x = 165,388.02