Finding the Third Proportional to 427,205.50 and 909,626

Step by Step Solution

1. Step 1: Write the proportion equation
   427,205.50 : 909,626 = 909,626 : x
2. Step 2: Convert to fraction form
   427,205.50/909,626 = 909,626/x
3. Step 3: Cross multiply
   427,205.50x = 909,626 × 909,626
4. Step 4: Simplify right side
   427,205.50x = 827,419,459,876
5. Step 5: Solve for x
   x = 827,419,459,876/427,205.50
6. Step 6: Final answer
   x = 1,936,818.37