Finding the Third Proportional to 20,165.81 and 31,327.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,165.81 : 31,327.31 = 31,327.31 : x
2. Step 2: Convert to fraction form
   20,165.81/31,327.31 = 31,327.31/x
3. Step 3: Cross multiply
   20,165.81x = 31,327.31 × 31,327.31
4. Step 4: Simplify right side
   20,165.81x = 981,400,508.47
5. Step 5: Solve for x
   x = 981,400,508.47/20,165.81
6. Step 6: Final answer
   x = 48,666.55