Finding the Third Proportional to 447,578 and 973,858

Step by Step Solution

1. Step 1: Write the proportion equation
   447,578 : 973,858 = 973,858 : x
2. Step 2: Convert to fraction form
   447,578/973,858 = 973,858/x
3. Step 3: Cross multiply
   447,578x = 973,858 × 973,858
4. Step 4: Simplify right side
   447,578x = 948,399,404,164
5. Step 5: Solve for x
   x = 948,399,404,164/447,578
6. Step 6: Final answer
   x = 2,118,958.94