Finding the Third Proportional to 13,512 and 21,585.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,512 : 21,585.25 = 21,585.25 : x
2. Step 2: Convert to fraction form
   13,512/21,585.25 = 21,585.25/x
3. Step 3: Cross multiply
   13,512x = 21,585.25 × 21,585.25
4. Step 4: Simplify right side
   13,512x = 465,923,017.56
5. Step 5: Solve for x
   x = 465,923,017.56/13,512
6. Step 6: Final answer
   x = 34,482.17