Finding the Third Proportional to 1,155.94 and 2,486.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.94 : 2,486.53 = 2,486.53 : x
2. Step 2: Convert to fraction form
   1,155.94/2,486.53 = 2,486.53/x
3. Step 3: Cross multiply
   1,155.94x = 2,486.53 × 2,486.53
4. Step 4: Simplify right side
   1,155.94x = 6,182,837.66
5. Step 5: Solve for x
   x = 6,182,837.66/1,155.94
6. Step 6: Final answer
   x = 5,348.76