Finding the Third Proportional to 2,160.42 and 4,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.42 : 4,495.50 = 4,495.50 : x
2. Step 2: Convert to fraction form
   2,160.42/4,495.50 = 4,495.50/x
3. Step 3: Cross multiply
   2,160.42x = 4,495.50 × 4,495.50
4. Step 4: Simplify right side
   2,160.42x = 20,209,520.25
5. Step 5: Solve for x
   x = 20,209,520.25/2,160.42
6. Step 6: Final answer
   x = 9,354.43