Finding the Third Proportional to 456,079 and 978,575

Step by Step Solution

1. Step 1: Write the proportion equation
   456,079 : 978,575 = 978,575 : x
2. Step 2: Convert to fraction form
   456,079/978,575 = 978,575/x
3. Step 3: Cross multiply
   456,079x = 978,575 × 978,575
4. Step 4: Simplify right side
   456,079x = 957,609,030,625
5. Step 5: Solve for x
   x = 957,609,030,625/456,079
6. Step 6: Final answer
   x = 2,099,656.05