Finding the Third Proportional to 2,188.27 and 3,521.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.27 : 3,521.60 = 3,521.60 : x
2. Step 2: Convert to fraction form
   2,188.27/3,521.60 = 3,521.60/x
3. Step 3: Cross multiply
   2,188.27x = 3,521.60 × 3,521.60
4. Step 4: Simplify right side
   2,188.27x = 12,401,677.57
5. Step 5: Solve for x
   x = 12,401,677.57/2,188.27
6. Step 6: Final answer
   x = 5,667.35