Finding the Third Proportional to 387,732 and 836,568

Step by Step Solution

1. Step 1: Write the proportion equation
   387,732 : 836,568 = 836,568 : x
2. Step 2: Convert to fraction form
   387,732/836,568 = 836,568/x
3. Step 3: Cross multiply
   387,732x = 836,568 × 836,568
4. Step 4: Simplify right side
   387,732x = 699,846,018,624
5. Step 5: Solve for x
   x = 699,846,018,624/387,732
6. Step 6: Final answer
   x = 1,804,973.59