Finding the Third Proportional to 1,720.34 and 2,104.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,720.34 : 2,104.77 = 2,104.77 : x
2. Step 2: Convert to fraction form
   1,720.34/2,104.77 = 2,104.77/x
3. Step 3: Cross multiply
   1,720.34x = 2,104.77 × 2,104.77
4. Step 4: Simplify right side
   1,720.34x = 4,430,073.28
5. Step 5: Solve for x
   x = 4,430,073.28/1,720.34
6. Step 6: Final answer
   x = 2,575.11