Finding the Third Proportional to 1,804,200 and 3,965,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804,200 : 3,965,520 = 3,965,520 : x
2. Step 2: Convert to fraction form
   1,804,200/3,965,520 = 3,965,520/x
3. Step 3: Cross multiply
   1,804,200x = 3,965,520 × 3,965,520
4. Step 4: Simplify right side
   1,804,200x = 15,725,348,870,400
5. Step 5: Solve for x
   x = 15,725,348,870,400/1,804,200
6. Step 6: Final answer
   x = 8,715,967.67