Finding the Third Proportional to 19,666 and 30,451

Step by Step Solution

1. Step 1: Write the proportion equation
   19,666 : 30,451 = 30,451 : x
2. Step 2: Convert to fraction form
   19,666/30,451 = 30,451/x
3. Step 3: Cross multiply
   19,666x = 30,451 × 30,451
4. Step 4: Simplify right side
   19,666x = 927,263,401
5. Step 5: Solve for x
   x = 927,263,401/19,666
6. Step 6: Final answer
   x = 47,150.58