Finding the Third Proportional to 20,112 and 31,326

Step by Step Solution

1. Step 1: Write the proportion equation
   20,112 : 31,326 = 31,326 : x
2. Step 2: Convert to fraction form
   20,112/31,326 = 31,326/x
3. Step 3: Cross multiply
   20,112x = 31,326 × 31,326
4. Step 4: Simplify right side
   20,112x = 981,318,276
5. Step 5: Solve for x
   x = 981,318,276/20,112
6. Step 6: Final answer
   x = 48,792.67