Finding the Third Proportional to 53,449.50 and 71,993

Step by Step Solution

1. Step 1: Write the proportion equation
   53,449.50 : 71,993 = 71,993 : x
2. Step 2: Convert to fraction form
   53,449.50/71,993 = 71,993/x
3. Step 3: Cross multiply
   53,449.50x = 71,993 × 71,993
4. Step 4: Simplify right side
   53,449.50x = 5,182,992,049
5. Step 5: Solve for x
   x = 5,182,992,049/53,449.50
6. Step 6: Final answer
   x = 96,969.89