Finding the Third Proportional to 5,618.25 and 8,530.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618.25 : 8,530.03 = 8,530.03 : x
2. Step 2: Convert to fraction form
   5,618.25/8,530.03 = 8,530.03/x
3. Step 3: Cross multiply
   5,618.25x = 8,530.03 × 8,530.03
4. Step 4: Simplify right side
   5,618.25x = 72,761,433.13
5. Step 5: Solve for x
   x = 72,761,433.13/5,618.25
6. Step 6: Final answer
   x = 12,950.91