Finding the Third Proportional to 13,404.50 and 19,705

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.50 : 19,705 = 19,705 : x
2. Step 2: Convert to fraction form
   13,404.50/19,705 = 19,705/x
3. Step 3: Cross multiply
   13,404.50x = 19,705 × 19,705
4. Step 4: Simplify right side
   13,404.50x = 388,287,025
5. Step 5: Solve for x
   x = 388,287,025/13,404.50
6. Step 6: Final answer
   x = 28,966.92