Finding the Third Proportional to 7,882.09 and 13,136.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,882.09 : 13,136.82 = 13,136.82 : x
2. Step 2: Convert to fraction form
   7,882.09/13,136.82 = 13,136.82/x
3. Step 3: Cross multiply
   7,882.09x = 13,136.82 × 13,136.82
4. Step 4: Simplify right side
   7,882.09x = 172,575,953.31
5. Step 5: Solve for x
   x = 172,575,953.31/7,882.09
6. Step 6: Final answer
   x = 21,894.69