Finding the Third Proportional to 20,112 and 33,340

Step by Step Solution

1. Step 1: Write the proportion equation
   20,112 : 33,340 = 33,340 : x
2. Step 2: Convert to fraction form
   20,112/33,340 = 33,340/x
3. Step 3: Cross multiply
   20,112x = 33,340 × 33,340
4. Step 4: Simplify right side
   20,112x = 1,111,555,600
5. Step 5: Solve for x
   x = 1,111,555,600/20,112
6. Step 6: Final answer
   x = 55,268.28