Finding the Third Proportional to 54,928.50 and 82,394.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,928.50 : 82,394.25 = 82,394.25 : x
2. Step 2: Convert to fraction form
   54,928.50/82,394.25 = 82,394.25/x
3. Step 3: Cross multiply
   54,928.50x = 82,394.25 × 82,394.25
4. Step 4: Simplify right side
   54,928.50x = 6,788,812,433.06
5. Step 5: Solve for x
   x = 6,788,812,433.06/54,928.50
6. Step 6: Final answer
   x = 123,593.63