Finding the Third Proportional to 221,317.50 and 474,192

Step by Step Solution

1. Step 1: Write the proportion equation
   221,317.50 : 474,192 = 474,192 : x
2. Step 2: Convert to fraction form
   221,317.50/474,192 = 474,192/x
3. Step 3: Cross multiply
   221,317.50x = 474,192 × 474,192
4. Step 4: Simplify right side
   221,317.50x = 224,858,052,864
5. Step 5: Solve for x
   x = 224,858,052,864/221,317.50
6. Step 6: Final answer
   x = 1,015,997.62