Finding the Third Proportional to 20,172 and 33,336

Step by Step Solution

1. Step 1: Write the proportion equation
   20,172 : 33,336 = 33,336 : x
2. Step 2: Convert to fraction form
   20,172/33,336 = 33,336/x
3. Step 3: Cross multiply
   20,172x = 33,336 × 33,336
4. Step 4: Simplify right side
   20,172x = 1,111,288,896
5. Step 5: Solve for x
   x = 1,111,288,896/20,172
6. Step 6: Final answer
   x = 55,090.67