Finding the Third Proportional to 30,287 and 70,745

Step by Step Solution

1. Step 1: Write the proportion equation
   30,287 : 70,745 = 70,745 : x
2. Step 2: Convert to fraction form
   30,287/70,745 = 70,745/x
3. Step 3: Cross multiply
   30,287x = 70,745 × 70,745
4. Step 4: Simplify right side
   30,287x = 5,004,855,025
5. Step 5: Solve for x
   x = 5,004,855,025/30,287
6. Step 6: Final answer
   x = 165,247.63