Finding the Third Proportional to 131,205 and 275,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,205 : 275,629.50 = 275,629.50 : x
2. Step 2: Convert to fraction form
   131,205/275,629.50 = 275,629.50/x
3. Step 3: Cross multiply
   131,205x = 275,629.50 × 275,629.50
4. Step 4: Simplify right side
   131,205x = 75,971,621,270.25
5. Step 5: Solve for x
   x = 75,971,621,270.25/131,205
6. Step 6: Final answer
   x = 579,029.92