Finding the Third Proportional to 13,289.50 and 19,994

Step by Step Solution

1. Step 1: Write the proportion equation
   13,289.50 : 19,994 = 19,994 : x
2. Step 2: Convert to fraction form
   13,289.50/19,994 = 19,994/x
3. Step 3: Cross multiply
   13,289.50x = 19,994 × 19,994
4. Step 4: Simplify right side
   13,289.50x = 399,760,036
5. Step 5: Solve for x
   x = 399,760,036/13,289.50
6. Step 6: Final answer
   x = 30,080.89