Finding the Third Proportional to 54,661.50 and 84,908.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,661.50 : 84,908.25 = 84,908.25 : x
2. Step 2: Convert to fraction form
   54,661.50/84,908.25 = 84,908.25/x
3. Step 3: Cross multiply
   54,661.50x = 84,908.25 × 84,908.25
4. Step 4: Simplify right side
   54,661.50x = 7,209,410,918.06
5. Step 5: Solve for x
   x = 7,209,410,918.06/54,661.50
6. Step 6: Final answer
   x = 131,891.93