Finding the Third Proportional to 384,765 and 848,365.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,765 : 848,365.50 = 848,365.50 : x
2. Step 2: Convert to fraction form
   384,765/848,365.50 = 848,365.50/x
3. Step 3: Cross multiply
   384,765x = 848,365.50 × 848,365.50
4. Step 4: Simplify right side
   384,765x = 719,724,021,590.25
5. Step 5: Solve for x
   x = 719,724,021,590.25/384,765
6. Step 6: Final answer
   x = 1,870,554.81