Finding the Third Proportional to 19,790 and 30,651

Step by Step Solution

1. Step 1: Write the proportion equation
   19,790 : 30,651 = 30,651 : x
2. Step 2: Convert to fraction form
   19,790/30,651 = 30,651/x
3. Step 3: Cross multiply
   19,790x = 30,651 × 30,651
4. Step 4: Simplify right side
   19,790x = 939,483,801
5. Step 5: Solve for x
   x = 939,483,801/19,790
6. Step 6: Final answer
   x = 47,472.65