Finding the Third Proportional to 43,542.50 and 65,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,542.50 : 65,144.50 = 65,144.50 : x
2. Step 2: Convert to fraction form
   43,542.50/65,144.50 = 65,144.50/x
3. Step 3: Cross multiply
   43,542.50x = 65,144.50 × 65,144.50
4. Step 4: Simplify right side
   43,542.50x = 4,243,805,880.25
5. Step 5: Solve for x
   x = 4,243,805,880.25/43,542.50
6. Step 6: Final answer
   x = 97,463.53