Finding the Third Proportional to 1,136.11 and 2,445.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.11 : 2,445.61 = 2,445.61 : x
2. Step 2: Convert to fraction form
   1,136.11/2,445.61 = 2,445.61/x
3. Step 3: Cross multiply
   1,136.11x = 2,445.61 × 2,445.61
4. Step 4: Simplify right side
   1,136.11x = 5,981,005.22
5. Step 5: Solve for x
   x = 5,981,005.22/1,136.11
6. Step 6: Final answer
   x = 5,264.46