Finding the Third Proportional to 391,533 and 854,974.50

Step by Step Solution

1. Step 1: Write the proportion equation
   391,533 : 854,974.50 = 854,974.50 : x
2. Step 2: Convert to fraction form
   391,533/854,974.50 = 854,974.50/x
3. Step 3: Cross multiply
   391,533x = 854,974.50 × 854,974.50
4. Step 4: Simplify right side
   391,533x = 730,981,395,650.25
5. Step 5: Solve for x
   x = 730,981,395,650.25/391,533
6. Step 6: Final answer
   x = 1,866,972.63