Finding the Third Proportional to 16,399 and 35,187

Step by Step Solution

1. Step 1: Write the proportion equation
   16,399 : 35,187 = 35,187 : x
2. Step 2: Convert to fraction form
   16,399/35,187 = 35,187/x
3. Step 3: Cross multiply
   16,399x = 35,187 × 35,187
4. Step 4: Simplify right side
   16,399x = 1,238,124,969
5. Step 5: Solve for x
   x = 1,238,124,969/16,399
6. Step 6: Final answer
   x = 75,500.03