Finding the Third Proportional to 171,927 and 262,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,927 : 262,830.50 = 262,830.50 : x
2. Step 2: Convert to fraction form
   171,927/262,830.50 = 262,830.50/x
3. Step 3: Cross multiply
   171,927x = 262,830.50 × 262,830.50
4. Step 4: Simplify right side
   171,927x = 69,079,871,730.25
5. Step 5: Solve for x
   x = 69,079,871,730.25/171,927
6. Step 6: Final answer
   x = 401,797.69