Finding the Third Proportional to 13,509.84 and 21,582.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,509.84 : 21,582.38 = 21,582.38 : x
2. Step 2: Convert to fraction form
   13,509.84/21,582.38 = 21,582.38/x
3. Step 3: Cross multiply
   13,509.84x = 21,582.38 × 21,582.38
4. Step 4: Simplify right side
   13,509.84x = 465,798,910.64
5. Step 5: Solve for x
   x = 465,798,910.64/13,509.84
6. Step 6: Final answer
   x = 34,478.48