Finding the Third Proportional to 54,553.50 and 84,523.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,553.50 : 84,523.50 = 84,523.50 : x
2. Step 2: Convert to fraction form
   54,553.50/84,523.50 = 84,523.50/x
3. Step 3: Cross multiply
   54,553.50x = 84,523.50 × 84,523.50
4. Step 4: Simplify right side
   54,553.50x = 7,144,222,052.25
5. Step 5: Solve for x
   x = 7,144,222,052.25/54,553.50
6. Step 6: Final answer
   x = 130,958.09