Finding the Third Proportional to 8,580.38 and 20,045.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,580.38 : 20,045.25 = 20,045.25 : x
2. Step 2: Convert to fraction form
   8,580.38/20,045.25 = 20,045.25/x
3. Step 3: Cross multiply
   8,580.38x = 20,045.25 × 20,045.25
4. Step 4: Simplify right side
   8,580.38x = 401,812,047.56
5. Step 5: Solve for x
   x = 401,812,047.56/8,580.38
6. Step 6: Final answer
   x = 46,829.19