Finding the Third Proportional to 16,539.19 and 34,479.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,539.19 : 34,479.42 = 34,479.42 : x
2. Step 2: Convert to fraction form
   16,539.19/34,479.42 = 34,479.42/x
3. Step 3: Cross multiply
   16,539.19x = 34,479.42 × 34,479.42
4. Step 4: Simplify right side
   16,539.19x = 1,188,830,532.83
5. Step 5: Solve for x
   x = 1,188,830,532.83/16,539.19
6. Step 6: Final answer
   x = 71,879.62