Finding the Third Proportional to 30,556 and 45,508

Step by Step Solution

1. Step 1: Write the proportion equation
   30,556 : 45,508 = 45,508 : x
2. Step 2: Convert to fraction form
   30,556/45,508 = 45,508/x
3. Step 3: Cross multiply
   30,556x = 45,508 × 45,508
4. Step 4: Simplify right side
   30,556x = 2,070,978,064
5. Step 5: Solve for x
   x = 2,070,978,064/30,556
6. Step 6: Final answer
   x = 67,776.48