Finding the Third Proportional to 16,830 and 35,401

Step by Step Solution

1. Step 1: Write the proportion equation
   16,830 : 35,401 = 35,401 : x
2. Step 2: Convert to fraction form
   16,830/35,401 = 35,401/x
3. Step 3: Cross multiply
   16,830x = 35,401 × 35,401
4. Step 4: Simplify right side
   16,830x = 1,253,230,801
5. Step 5: Solve for x
   x = 1,253,230,801/16,830
6. Step 6: Final answer
   x = 74,464.10