Finding the Third Proportional to 21,289.08 and 43,945.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,289.08 : 43,945.03 = 43,945.03 : x
2. Step 2: Convert to fraction form
   21,289.08/43,945.03 = 43,945.03/x
3. Step 3: Cross multiply
   21,289.08x = 43,945.03 × 43,945.03
4. Step 4: Simplify right side
   21,289.08x = 1,931,165,771.56
5. Step 5: Solve for x
   x = 1,931,165,771.56/21,289.08
6. Step 6: Final answer
   x = 90,711.57