Finding the Third Proportional to 54,040.50 and 109,174.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,040.50 : 109,174.50 = 109,174.50 : x
2. Step 2: Convert to fraction form
   54,040.50/109,174.50 = 109,174.50/x
3. Step 3: Cross multiply
   54,040.50x = 109,174.50 × 109,174.50
4. Step 4: Simplify right side
   54,040.50x = 11,919,071,450.25
5. Step 5: Solve for x
   x = 11,919,071,450.25/54,040.50
6. Step 6: Final answer
   x = 220,558.13