Finding the Third Proportional to 173,907 and 276,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,907 : 276,640.50 = 276,640.50 : x
2. Step 2: Convert to fraction form
   173,907/276,640.50 = 276,640.50/x
3. Step 3: Cross multiply
   173,907x = 276,640.50 × 276,640.50
4. Step 4: Simplify right side
   173,907x = 76,529,966,240.25
5. Step 5: Solve for x
   x = 76,529,966,240.25/173,907
6. Step 6: Final answer
   x = 440,062.60