Finding the Third Proportional to 3,621.75 and 7,916.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621.75 : 7,916.25 = 7,916.25 : x
2. Step 2: Convert to fraction form
   3,621.75/7,916.25 = 7,916.25/x
3. Step 3: Cross multiply
   3,621.75x = 7,916.25 × 7,916.25
4. Step 4: Simplify right side
   3,621.75x = 62,667,014.06
5. Step 5: Solve for x
   x = 62,667,014.06/3,621.75
6. Step 6: Final answer
   x = 17,302.97