Finding the Third Proportional to 19,500 and 31,403

Step by Step Solution

1. Step 1: Write the proportion equation
   19,500 : 31,403 = 31,403 : x
2. Step 2: Convert to fraction form
   19,500/31,403 = 31,403/x
3. Step 3: Cross multiply
   19,500x = 31,403 × 31,403
4. Step 4: Simplify right side
   19,500x = 986,148,409
5. Step 5: Solve for x
   x = 986,148,409/19,500
6. Step 6: Final answer
   x = 50,571.71