Finding the Third Proportional to 16,659 and 34,260

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659 : 34,260 = 34,260 : x
2. Step 2: Convert to fraction form
   16,659/34,260 = 34,260/x
3. Step 3: Cross multiply
   16,659x = 34,260 × 34,260
4. Step 4: Simplify right side
   16,659x = 1,173,747,600
5. Step 5: Solve for x
   x = 1,173,747,600/16,659
6. Step 6: Final answer
   x = 70,457.27