Finding the Third Proportional to 446,580 and 870,608.25

Step by Step Solution

1. Step 1: Write the proportion equation
   446,580 : 870,608.25 = 870,608.25 : x
2. Step 2: Convert to fraction form
   446,580/870,608.25 = 870,608.25/x
3. Step 3: Cross multiply
   446,580x = 870,608.25 × 870,608.25
4. Step 4: Simplify right side
   446,580x = 757,958,724,968.06
5. Step 5: Solve for x
   x = 757,958,724,968.06/446,580
6. Step 6: Final answer
   x = 1,697,251.84