Finding the Third Proportional to 2,156.50 and 3,453.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.50 : 3,453.25 = 3,453.25 : x
2. Step 2: Convert to fraction form
   2,156.50/3,453.25 = 3,453.25/x
3. Step 3: Cross multiply
   2,156.50x = 3,453.25 × 3,453.25
4. Step 4: Simplify right side
   2,156.50x = 11,924,935.56
5. Step 5: Solve for x
   x = 11,924,935.56/2,156.50
6. Step 6: Final answer
   x = 5,529.76