Finding the Third Proportional to 109,015.50 and 146,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,015.50 : 146,503.50 = 146,503.50 : x
2. Step 2: Convert to fraction form
   109,015.50/146,503.50 = 146,503.50/x
3. Step 3: Cross multiply
   109,015.50x = 146,503.50 × 146,503.50
4. Step 4: Simplify right side
   109,015.50x = 21,463,275,512.25
5. Step 5: Solve for x
   x = 21,463,275,512.25/109,015.50
6. Step 6: Final answer
   x = 196,882.79