Finding the Third Proportional to 388,166.50 and 848,744

Step by Step Solution

1. Step 1: Write the proportion equation
   388,166.50 : 848,744 = 848,744 : x
2. Step 2: Convert to fraction form
   388,166.50/848,744 = 848,744/x
3. Step 3: Cross multiply
   388,166.50x = 848,744 × 848,744
4. Step 4: Simplify right side
   388,166.50x = 720,366,377,536
5. Step 5: Solve for x
   x = 720,366,377,536/388,166.50
6. Step 6: Final answer
   x = 1,855,818.00