Finding the Third Proportional to 16,424 and 34,809

Step by Step Solution

1. Step 1: Write the proportion equation
   16,424 : 34,809 = 34,809 : x
2. Step 2: Convert to fraction form
   16,424/34,809 = 34,809/x
3. Step 3: Cross multiply
   16,424x = 34,809 × 34,809
4. Step 4: Simplify right side
   16,424x = 1,211,666,481
5. Step 5: Solve for x
   x = 1,211,666,481/16,424
6. Step 6: Final answer
   x = 73,774.14