Finding the Third Proportional to 20,434 and 43,388

Step by Step Solution

1. Step 1: Write the proportion equation
   20,434 : 43,388 = 43,388 : x
2. Step 2: Convert to fraction form
   20,434/43,388 = 43,388/x
3. Step 3: Cross multiply
   20,434x = 43,388 × 43,388
4. Step 4: Simplify right side
   20,434x = 1,882,518,544
5. Step 5: Solve for x
   x = 1,882,518,544/20,434
6. Step 6: Final answer
   x = 92,126.78