Finding the Third Proportional to 1,091.81 and 1,635.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.81 : 1,635.19 = 1,635.19 : x
2. Step 2: Convert to fraction form
   1,091.81/1,635.19 = 1,635.19/x
3. Step 3: Cross multiply
   1,091.81x = 1,635.19 × 1,635.19
4. Step 4: Simplify right side
   1,091.81x = 2,673,838.16
5. Step 5: Solve for x
   x = 2,673,838.16/1,091.81
6. Step 6: Final answer
   x = 2,448.99