Finding the Third Proportional to 7,136.63 and 10,143.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,136.63 : 10,143.38 = 10,143.38 : x
2. Step 2: Convert to fraction form
   7,136.63/10,143.38 = 10,143.38/x
3. Step 3: Cross multiply
   7,136.63x = 10,143.38 × 10,143.38
4. Step 4: Simplify right side
   7,136.63x = 102,888,056.39
5. Step 5: Solve for x
   x = 102,888,056.39/7,136.63
6. Step 6: Final answer
   x = 14,416.91