Finding the Third Proportional to 108,015.50 and 145,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,015.50 : 145,411.50 = 145,411.50 : x
2. Step 2: Convert to fraction form
   108,015.50/145,411.50 = 145,411.50/x
3. Step 3: Cross multiply
   108,015.50x = 145,411.50 × 145,411.50
4. Step 4: Simplify right side
   108,015.50x = 21,144,504,332.25
5. Step 5: Solve for x
   x = 21,144,504,332.25/108,015.50
6. Step 6: Final answer
   x = 195,754.35