Finding the Third Proportional to 387,967 and 848,105

Step by Step Solution

1. Step 1: Write the proportion equation
   387,967 : 848,105 = 848,105 : x
2. Step 2: Convert to fraction form
   387,967/848,105 = 848,105/x
3. Step 3: Cross multiply
   387,967x = 848,105 × 848,105
4. Step 4: Simplify right side
   387,967x = 719,282,091,025
5. Step 5: Solve for x
   x = 719,282,091,025/387,967
6. Step 6: Final answer
   x = 1,853,977.51