Finding the Third Proportional to 395,571 and 848,347.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,571 : 848,347.50 = 848,347.50 : x
2. Step 2: Convert to fraction form
   395,571/848,347.50 = 848,347.50/x
3. Step 3: Cross multiply
   395,571x = 848,347.50 × 848,347.50
4. Step 4: Simplify right side
   395,571x = 719,693,480,756.25
5. Step 5: Solve for x
   x = 719,693,480,756.25/395,571
6. Step 6: Final answer
   x = 1,819,378.77