Finding the Third Proportional to 654,804 and 978,173.25

Step by Step Solution

1. Step 1: Write the proportion equation
   654,804 : 978,173.25 = 978,173.25 : x
2. Step 2: Convert to fraction form
   654,804/978,173.25 = 978,173.25/x
3. Step 3: Cross multiply
   654,804x = 978,173.25 × 978,173.25
4. Step 4: Simplify right side
   654,804x = 956,822,907,015.56
5. Step 5: Solve for x
   x = 956,822,907,015.56/654,804
6. Step 6: Final answer
   x = 1,461,235.59