Finding the Third Proportional to 20,120 and 30,326

Step by Step Solution

1. Step 1: Write the proportion equation
   20,120 : 30,326 = 30,326 : x
2. Step 2: Convert to fraction form
   20,120/30,326 = 30,326/x
3. Step 3: Cross multiply
   20,120x = 30,326 × 30,326
4. Step 4: Simplify right side
   20,120x = 919,666,276
5. Step 5: Solve for x
   x = 919,666,276/20,120
6. Step 6: Final answer
   x = 45,709.06