Finding the Third Proportional to 16,480 and 35,540

Step by Step Solution

1. Step 1: Write the proportion equation
   16,480 : 35,540 = 35,540 : x
2. Step 2: Convert to fraction form
   16,480/35,540 = 35,540/x
3. Step 3: Cross multiply
   16,480x = 35,540 × 35,540
4. Step 4: Simplify right side
   16,480x = 1,263,091,600
5. Step 5: Solve for x
   x = 1,263,091,600/16,480
6. Step 6: Final answer
   x = 76,643.91