Finding the Third Proportional to 388,109 and 848,350

Step by Step Solution

1. Step 1: Write the proportion equation
   388,109 : 848,350 = 848,350 : x
2. Step 2: Convert to fraction form
   388,109/848,350 = 848,350/x
3. Step 3: Cross multiply
   388,109x = 848,350 × 848,350
4. Step 4: Simplify right side
   388,109x = 719,697,722,500
5. Step 5: Solve for x
   x = 719,697,722,500/388,109
6. Step 6: Final answer
   x = 1,854,370.09