Finding the Third Proportional to 20,923.31 and 31,384.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,923.31 : 31,384.69 = 31,384.69 : x
2. Step 2: Convert to fraction form
   20,923.31/31,384.69 = 31,384.69/x
3. Step 3: Cross multiply
   20,923.31x = 31,384.69 × 31,384.69
4. Step 4: Simplify right side
   20,923.31x = 984,998,609.47
5. Step 5: Solve for x
   x = 984,998,609.47/20,923.31
6. Step 6: Final answer
   x = 47,076.61