Finding the Third Proportional to 394,641 and 852,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   394,641 : 852,340.50 = 852,340.50 : x
2. Step 2: Convert to fraction form
   394,641/852,340.50 = 852,340.50/x
3. Step 3: Cross multiply
   394,641x = 852,340.50 × 852,340.50
4. Step 4: Simplify right side
   394,641x = 726,484,327,940.25
5. Step 5: Solve for x
   x = 726,484,327,940.25/394,641
6. Step 6: Final answer
   x = 1,840,873.93