Finding the Third Proportional to 16,870 and 26,812

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870 : 26,812 = 26,812 : x
2. Step 2: Convert to fraction form
   16,870/26,812 = 26,812/x
3. Step 3: Cross multiply
   16,870x = 26,812 × 26,812
4. Step 4: Simplify right side
   16,870x = 718,883,344
5. Step 5: Solve for x
   x = 718,883,344/16,870
6. Step 6: Final answer
   x = 42,613.12