Finding the Third Proportional to 43,721.44 and 65,580.89

Step by Step Solution

1. Step 1: Write the proportion equation
   43,721.44 : 65,580.89 = 65,580.89 : x
2. Step 2: Convert to fraction form
   43,721.44/65,580.89 = 65,580.89/x
3. Step 3: Cross multiply
   43,721.44x = 65,580.89 × 65,580.89
4. Step 4: Simplify right side
   43,721.44x = 4,300,853,215.17
5. Step 5: Solve for x
   x = 4,300,853,215.17/43,721.44
6. Step 6: Final answer
   x = 98,369.44