Finding the Third Proportional to 834,860 and 1,787,780

Step by Step Solution

1. Step 1: Write the proportion equation
   834,860 : 1,787,780 = 1,787,780 : x
2. Step 2: Convert to fraction form
   834,860/1,787,780 = 1,787,780/x
3. Step 3: Cross multiply
   834,860x = 1,787,780 × 1,787,780
4. Step 4: Simplify right side
   834,860x = 3,196,157,328,400
5. Step 5: Solve for x
   x = 3,196,157,328,400/834,860
6. Step 6: Final answer
   x = 3,828,375.21