Finding the Third Proportional to 394,622 and 852,300

Step by Step Solution

1. Step 1: Write the proportion equation
   394,622 : 852,300 = 852,300 : x
2. Step 2: Convert to fraction form
   394,622/852,300 = 852,300/x
3. Step 3: Cross multiply
   394,622x = 852,300 × 852,300
4. Step 4: Simplify right side
   394,622x = 726,415,290,000
5. Step 5: Solve for x
   x = 726,415,290,000/394,622
6. Step 6: Final answer
   x = 1,840,787.61