Finding the Third Proportional to 16,740 and 34,866

Step by Step Solution

1. Step 1: Write the proportion equation
   16,740 : 34,866 = 34,866 : x
2. Step 2: Convert to fraction form
   16,740/34,866 = 34,866/x
3. Step 3: Cross multiply
   16,740x = 34,866 × 34,866
4. Step 4: Simplify right side
   16,740x = 1,215,637,956
5. Step 5: Solve for x
   x = 1,215,637,956/16,740
6. Step 6: Final answer
   x = 72,618.75