Finding the Third Proportional to 2,430 and 3,647.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430 : 3,647.25 = 3,647.25 : x
2. Step 2: Convert to fraction form
   2,430/3,647.25 = 3,647.25/x
3. Step 3: Cross multiply
   2,430x = 3,647.25 × 3,647.25
4. Step 4: Simplify right side
   2,430x = 13,302,432.56
5. Step 5: Solve for x
   x = 13,302,432.56/2,430
6. Step 6: Final answer
   x = 5,474.25