Finding the Third Proportional to 11,136 and 12,351

Step by Step Solution

1. Step 1: Write the proportion equation
   11,136 : 12,351 = 12,351 : x
2. Step 2: Convert to fraction form
   11,136/12,351 = 12,351/x
3. Step 3: Cross multiply
   11,136x = 12,351 × 12,351
4. Step 4: Simplify right side
   11,136x = 152,547,201
5. Step 5: Solve for x
   x = 152,547,201/11,136
6. Step 6: Final answer
   x = 13,698.56