Finding the Third Proportional to 25,219.50 and 55,057.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,219.50 : 55,057.50 = 55,057.50 : x
2. Step 2: Convert to fraction form
   25,219.50/55,057.50 = 55,057.50/x
3. Step 3: Cross multiply
   25,219.50x = 55,057.50 × 55,057.50
4. Step 4: Simplify right side
   25,219.50x = 3,031,328,306.25
5. Step 5: Solve for x
   x = 3,031,328,306.25/25,219.50
6. Step 6: Final answer
   x = 120,197.80