Finding the Third Proportional to 171,906 and 262,800

Step by Step Solution

1. Step 1: Write the proportion equation
   171,906 : 262,800 = 262,800 : x
2. Step 2: Convert to fraction form
   171,906/262,800 = 262,800/x
3. Step 3: Cross multiply
   171,906x = 262,800 × 262,800
4. Step 4: Simplify right side
   171,906x = 69,063,840,000
5. Step 5: Solve for x
   x = 69,063,840,000/171,906
6. Step 6: Final answer
   x = 401,753.52