Finding the Third Proportional to 1,087.31 and 2,368.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.31 : 2,368.13 = 2,368.13 : x
2. Step 2: Convert to fraction form
   1,087.31/2,368.13 = 2,368.13/x
3. Step 3: Cross multiply
   1,087.31x = 2,368.13 × 2,368.13
4. Step 4: Simplify right side
   1,087.31x = 5,608,016.02
5. Step 5: Solve for x
   x = 5,608,016.02/1,087.31
6. Step 6: Final answer
   x = 5,157.69