Finding the Third Proportional to 978,892 and 2,167,412

Step by Step Solution

1. Step 1: Write the proportion equation
   978,892 : 2,167,412 = 2,167,412 : x
2. Step 2: Convert to fraction form
   978,892/2,167,412 = 2,167,412/x
3. Step 3: Cross multiply
   978,892x = 2,167,412 × 2,167,412
4. Step 4: Simplify right side
   978,892x = 4,697,674,777,744
5. Step 5: Solve for x
   x = 4,697,674,777,744/978,892
6. Step 6: Final answer
   x = 4,798,971.47