Finding the Third Proportional to 19,966 and 30,910

Step by Step Solution

1. Step 1: Write the proportion equation
   19,966 : 30,910 = 30,910 : x
2. Step 2: Convert to fraction form
   19,966/30,910 = 30,910/x
3. Step 3: Cross multiply
   19,966x = 30,910 × 30,910
4. Step 4: Simplify right side
   19,966x = 955,428,100
5. Step 5: Solve for x
   x = 955,428,100/19,966
6. Step 6: Final answer
   x = 47,852.75