Finding the Third Proportional to 16,689 and 35,484

Step by Step Solution

1. Step 1: Write the proportion equation
   16,689 : 35,484 = 35,484 : x
2. Step 2: Convert to fraction form
   16,689/35,484 = 35,484/x
3. Step 3: Cross multiply
   16,689x = 35,484 × 35,484
4. Step 4: Simplify right side
   16,689x = 1,259,114,256
5. Step 5: Solve for x
   x = 1,259,114,256/16,689
6. Step 6: Final answer
   x = 75,445.76