Finding the Third Proportional to 396,675 and 872,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   396,675 : 872,077.50 = 872,077.50 : x
2. Step 2: Convert to fraction form
   396,675/872,077.50 = 872,077.50/x
3. Step 3: Cross multiply
   396,675x = 872,077.50 × 872,077.50
4. Step 4: Simplify right side
   396,675x = 760,519,166,006.25
5. Step 5: Solve for x
   x = 760,519,166,006.25/396,675
6. Step 6: Final answer
   x = 1,917,234.93