Finding the Third Proportional to 16,661 and 35,617

Step by Step Solution

1. Step 1: Write the proportion equation
   16,661 : 35,617 = 35,617 : x
2. Step 2: Convert to fraction form
   16,661/35,617 = 35,617/x
3. Step 3: Cross multiply
   16,661x = 35,617 × 35,617
4. Step 4: Simplify right side
   16,661x = 1,268,570,689
5. Step 5: Solve for x
   x = 1,268,570,689/16,661
6. Step 6: Final answer
   x = 76,140.13