Finding the Third Proportional to 108,697 and 142,936

Step by Step Solution

1. Step 1: Write the proportion equation
   108,697 : 142,936 = 142,936 : x
2. Step 2: Convert to fraction form
   108,697/142,936 = 142,936/x
3. Step 3: Cross multiply
   108,697x = 142,936 × 142,936
4. Step 4: Simplify right side
   108,697x = 20,430,700,096
5. Step 5: Solve for x
   x = 20,430,700,096/108,697
6. Step 6: Final answer
   x = 187,960.11