Finding the Third Proportional to 474,871 and 679,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   474,871 : 679,019.50 = 679,019.50 : x
2. Step 2: Convert to fraction form
   474,871/679,019.50 = 679,019.50/x
3. Step 3: Cross multiply
   474,871x = 679,019.50 × 679,019.50
4. Step 4: Simplify right side
   474,871x = 461,067,481,380.25
5. Step 5: Solve for x
   x = 461,067,481,380.25/474,871
6. Step 6: Final answer
   x = 970,932.07