Finding the Third Proportional to 16,621 and 35,884

Step by Step Solution

1. Step 1: Write the proportion equation
   16,621 : 35,884 = 35,884 : x
2. Step 2: Convert to fraction form
   16,621/35,884 = 35,884/x
3. Step 3: Cross multiply
   16,621x = 35,884 × 35,884
4. Step 4: Simplify right side
   16,621x = 1,287,661,456
5. Step 5: Solve for x
   x = 1,287,661,456/16,621
6. Step 6: Final answer
   x = 77,471.96