Finding the Third Proportional to 1,718.25 and 3,590.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718.25 : 3,590.63 = 3,590.63 : x
2. Step 2: Convert to fraction form
   1,718.25/3,590.63 = 3,590.63/x
3. Step 3: Cross multiply
   1,718.25x = 3,590.63 × 3,590.63
4. Step 4: Simplify right side
   1,718.25x = 12,892,587.89
5. Step 5: Solve for x
   x = 12,892,587.89/1,718.25
6. Step 6: Final answer
   x = 7,503.32