Finding the Third Proportional to 13,545 and 21,422.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,545 : 21,422.25 = 21,422.25 : x
2. Step 2: Convert to fraction form
   13,545/21,422.25 = 21,422.25/x
3. Step 3: Cross multiply
   13,545x = 21,422.25 × 21,422.25
4. Step 4: Simplify right side
   13,545x = 458,912,795.06
5. Step 5: Solve for x
   x = 458,912,795.06/13,545
6. Step 6: Final answer
   x = 33,880.61