Finding the Third Proportional to 16,817.63 and 35,685

Step by Step Solution

1. Step 1: Write the proportion equation
   16,817.63 : 35,685 = 35,685 : x
2. Step 2: Convert to fraction form
   16,817.63/35,685 = 35,685/x
3. Step 3: Cross multiply
   16,817.63x = 35,685 × 35,685
4. Step 4: Simplify right side
   16,817.63x = 1,273,419,225
5. Step 5: Solve for x
   x = 1,273,419,225/16,817.63
6. Step 6: Final answer
   x = 75,719.33