Finding the Third Proportional to 427,554 and 662,003

Step by Step Solution

1. Step 1: Write the proportion equation
   427,554 : 662,003 = 662,003 : x
2. Step 2: Convert to fraction form
   427,554/662,003 = 662,003/x
3. Step 3: Cross multiply
   427,554x = 662,003 × 662,003
4. Step 4: Simplify right side
   427,554x = 438,247,972,009
5. Step 5: Solve for x
   x = 438,247,972,009/427,554
6. Step 6: Final answer
   x = 1,025,011.98