Finding the Third Proportional to 16,292.25 and 34,431.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,292.25 : 34,431.75 = 34,431.75 : x
2. Step 2: Convert to fraction form
   16,292.25/34,431.75 = 34,431.75/x
3. Step 3: Cross multiply
   16,292.25x = 34,431.75 × 34,431.75
4. Step 4: Simplify right side
   16,292.25x = 1,185,545,408.06
5. Step 5: Solve for x
   x = 1,185,545,408.06/16,292.25
6. Step 6: Final answer
   x = 72,767.45