Finding the Third Proportional to 16,658 and 34,855

Step by Step Solution

1. Step 1: Write the proportion equation
   16,658 : 34,855 = 34,855 : x
2. Step 2: Convert to fraction form
   16,658/34,855 = 34,855/x
3. Step 3: Cross multiply
   16,658x = 34,855 × 34,855
4. Step 4: Simplify right side
   16,658x = 1,214,871,025
5. Step 5: Solve for x
   x = 1,214,871,025/16,658
6. Step 6: Final answer
   x = 72,930.19