Finding the Third Proportional to 1,015.13 and 1,360.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.13 : 1,360.69 = 1,360.69 : x
2. Step 2: Convert to fraction form
   1,015.13/1,360.69 = 1,360.69/x
3. Step 3: Cross multiply
   1,015.13x = 1,360.69 × 1,360.69
4. Step 4: Simplify right side
   1,015.13x = 1,851,470.47
5. Step 5: Solve for x
   x = 1,851,470.47/1,015.13
6. Step 6: Final answer
   x = 1,823.88