Finding the Third Proportional to 171,848 and 262,908

Step by Step Solution

1. Step 1: Write the proportion equation
   171,848 : 262,908 = 262,908 : x
2. Step 2: Convert to fraction form
   171,848/262,908 = 262,908/x
3. Step 3: Cross multiply
   171,848x = 262,908 × 262,908
4. Step 4: Simplify right side
   171,848x = 69,120,616,464
5. Step 5: Solve for x
   x = 69,120,616,464/171,848
6. Step 6: Final answer
   x = 402,219.50