Finding the Third Proportional to 419,200.50 and 909,291

Step by Step Solution

1. Step 1: Write the proportion equation
   419,200.50 : 909,291 = 909,291 : x
2. Step 2: Convert to fraction form
   419,200.50/909,291 = 909,291/x
3. Step 3: Cross multiply
   419,200.50x = 909,291 × 909,291
4. Step 4: Simplify right side
   419,200.50x = 826,810,122,681
5. Step 5: Solve for x
   x = 826,810,122,681/419,200.50
6. Step 6: Final answer
   x = 1,972,350.04