Finding the Third Proportional to 19,454 and 30,399

Step by Step Solution

1. Step 1: Write the proportion equation
   19,454 : 30,399 = 30,399 : x
2. Step 2: Convert to fraction form
   19,454/30,399 = 30,399/x
3. Step 3: Cross multiply
   19,454x = 30,399 × 30,399
4. Step 4: Simplify right side
   19,454x = 924,099,201
5. Step 5: Solve for x
   x = 924,099,201/19,454
6. Step 6: Final answer
   x = 47,501.76