Finding the Third Proportional to 13,404 and 17,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404 : 17,392.50 = 17,392.50 : x
2. Step 2: Convert to fraction form
   13,404/17,392.50 = 17,392.50/x
3. Step 3: Cross multiply
   13,404x = 17,392.50 × 17,392.50
4. Step 4: Simplify right side
   13,404x = 302,499,056.25
5. Step 5: Solve for x
   x = 302,499,056.25/13,404
6. Step 6: Final answer
   x = 22,567.82