Finding the Third Proportional to 30,910 and 46,510

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910 : 46,510 = 46,510 : x
2. Step 2: Convert to fraction form
   30,910/46,510 = 46,510/x
3. Step 3: Cross multiply
   30,910x = 46,510 × 46,510
4. Step 4: Simplify right side
   30,910x = 2,163,180,100
5. Step 5: Solve for x
   x = 2,163,180,100/30,910
6. Step 6: Final answer
   x = 69,983.18