Finding the Third Proportional to 2,188.94 and 3,285.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.94 : 3,285.63 = 3,285.63 : x
2. Step 2: Convert to fraction form
   2,188.94/3,285.63 = 3,285.63/x
3. Step 3: Cross multiply
   2,188.94x = 3,285.63 × 3,285.63
4. Step 4: Simplify right side
   2,188.94x = 10,795,331.64
5. Step 5: Solve for x
   x = 10,795,331.64/2,188.94
6. Step 6: Final answer
   x = 4,931.77