Finding the Third Proportional to 20,112.05 and 31,381.17

Step by Step Solution

1. Step 1: Write the proportion equation
   20,112.05 : 31,381.17 = 31,381.17 : x
2. Step 2: Convert to fraction form
   20,112.05/31,381.17 = 31,381.17/x
3. Step 3: Cross multiply
   20,112.05x = 31,381.17 × 31,381.17
4. Step 4: Simplify right side
   20,112.05x = 984,777,948.25
5. Step 5: Solve for x
   x = 984,777,948.25/20,112.05
6. Step 6: Final answer
   x = 48,964.58