Finding the Third Proportional to 6,915.38 and 10,636.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,915.38 : 10,636.31 = 10,636.31 : x
2. Step 2: Convert to fraction form
   6,915.38/10,636.31 = 10,636.31/x
3. Step 3: Cross multiply
   6,915.38x = 10,636.31 × 10,636.31
4. Step 4: Simplify right side
   6,915.38x = 113,131,143.60
5. Step 5: Solve for x
   x = 113,131,143.60/6,915.38
6. Step 6: Final answer
   x = 16,359.36