Finding the Third Proportional to 105,745.50 and 145,004.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,745.50 : 145,004.25 = 145,004.25 : x
2. Step 2: Convert to fraction form
   105,745.50/145,004.25 = 145,004.25/x
3. Step 3: Cross multiply
   105,745.50x = 145,004.25 × 145,004.25
4. Step 4: Simplify right side
   105,745.50x = 21,026,232,518.06
5. Step 5: Solve for x
   x = 21,026,232,518.06/105,745.50
6. Step 6: Final answer
   x = 198,838.08