Finding the Third Proportional to 109,180.50 and 154,658.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,180.50 : 154,658.25 = 154,658.25 : x
2. Step 2: Convert to fraction form
   109,180.50/154,658.25 = 154,658.25/x
3. Step 3: Cross multiply
   109,180.50x = 154,658.25 × 154,658.25
4. Step 4: Simplify right side
   109,180.50x = 23,919,174,293.06
5. Step 5: Solve for x
   x = 23,919,174,293.06/109,180.50
6. Step 6: Final answer
   x = 219,079.18