Finding the Third Proportional to 19,710 and 31,356

Step by Step Solution

1. Step 1: Write the proportion equation
   19,710 : 31,356 = 31,356 : x
2. Step 2: Convert to fraction form
   19,710/31,356 = 31,356/x
3. Step 3: Cross multiply
   19,710x = 31,356 × 31,356
4. Step 4: Simplify right side
   19,710x = 983,198,736
5. Step 5: Solve for x
   x = 983,198,736/19,710
6. Step 6: Final answer
   x = 49,883.24