Finding the Third Proportional to 13,485 and 21,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,485 : 21,544.50 = 21,544.50 : x
2. Step 2: Convert to fraction form
   13,485/21,544.50 = 21,544.50/x
3. Step 3: Cross multiply
   13,485x = 21,544.50 × 21,544.50
4. Step 4: Simplify right side
   13,485x = 464,165,480.25
5. Step 5: Solve for x
   x = 464,165,480.25/13,485
6. Step 6: Final answer
   x = 34,420.87