Finding the Third Proportional to 3,640.31 and 5,528.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.31 : 5,528.06 = 5,528.06 : x
2. Step 2: Convert to fraction form
   3,640.31/5,528.06 = 5,528.06/x
3. Step 3: Cross multiply
   3,640.31x = 5,528.06 × 5,528.06
4. Step 4: Simplify right side
   3,640.31x = 30,559,475.00
5. Step 5: Solve for x
   x = 30,559,475.00/3,640.31
6. Step 6: Final answer
   x = 8,394.74