Finding the Third Proportional to 427,449 and 928,978

Step by Step Solution

1. Step 1: Write the proportion equation
   427,449 : 928,978 = 928,978 : x
2. Step 2: Convert to fraction form
   427,449/928,978 = 928,978/x
3. Step 3: Cross multiply
   427,449x = 928,978 × 928,978
4. Step 4: Simplify right side
   427,449x = 863,000,124,484
5. Step 5: Solve for x
   x = 863,000,124,484/427,449
6. Step 6: Final answer
   x = 2,018,954.60