Finding the Third Proportional to 171,931 and 366,003

Step by Step Solution

1. Step 1: Write the proportion equation
   171,931 : 366,003 = 366,003 : x
2. Step 2: Convert to fraction form
   171,931/366,003 = 366,003/x
3. Step 3: Cross multiply
   171,931x = 366,003 × 366,003
4. Step 4: Simplify right side
   171,931x = 133,958,196,009
5. Step 5: Solve for x
   x = 133,958,196,009/171,931
6. Step 6: Final answer
   x = 779,139.28