Finding the Third Proportional to 1,320.84 and 1,779.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320.84 : 1,779.15 = 1,779.15 : x
2. Step 2: Convert to fraction form
   1,320.84/1,779.15 = 1,779.15/x
3. Step 3: Cross multiply
   1,320.84x = 1,779.15 × 1,779.15
4. Step 4: Simplify right side
   1,320.84x = 3,165,383.06
5. Step 5: Solve for x
   x = 3,165,383.06/1,320.84
6. Step 6: Final answer
   x = 2,396.50