Finding the Third Proportional to 396,975 and 845,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   396,975 : 845,155.50 = 845,155.50 : x
2. Step 2: Convert to fraction form
   396,975/845,155.50 = 845,155.50/x
3. Step 3: Cross multiply
   396,975x = 845,155.50 × 845,155.50
4. Step 4: Simplify right side
   396,975x = 714,287,819,180.25
5. Step 5: Solve for x
   x = 714,287,819,180.25/396,975
6. Step 6: Final answer
   x = 1,799,326.96