Finding the Third Proportional to 846,786 and 1,826,520

Step by Step Solution

1. Step 1: Write the proportion equation
   846,786 : 1,826,520 = 1,826,520 : x
2. Step 2: Convert to fraction form
   846,786/1,826,520 = 1,826,520/x
3. Step 3: Cross multiply
   846,786x = 1,826,520 × 1,826,520
4. Step 4: Simplify right side
   846,786x = 3,336,175,310,400
5. Step 5: Solve for x
   x = 3,336,175,310,400/846,786
6. Step 6: Final answer
   x = 3,939,809.24