Finding the Third Proportional to 416,856 and 848,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   416,856 : 848,443.50 = 848,443.50 : x
2. Step 2: Convert to fraction form
   416,856/848,443.50 = 848,443.50/x
3. Step 3: Cross multiply
   416,856x = 848,443.50 × 848,443.50
4. Step 4: Simplify right side
   416,856x = 719,856,372,692.25
5. Step 5: Solve for x
   x = 719,856,372,692.25/416,856
6. Step 6: Final answer
   x = 1,726,870.60