Finding the Third Proportional to 16,663 and 35,485

Step by Step Solution

1. Step 1: Write the proportion equation
   16,663 : 35,485 = 35,485 : x
2. Step 2: Convert to fraction form
   16,663/35,485 = 35,485/x
3. Step 3: Cross multiply
   16,663x = 35,485 × 35,485
4. Step 4: Simplify right side
   16,663x = 1,259,185,225
5. Step 5: Solve for x
   x = 1,259,185,225/16,663
6. Step 6: Final answer
   x = 75,567.74