Finding the Third Proportional to 1,805,380 and 3,965,000

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,380 : 3,965,000 = 3,965,000 : x
2. Step 2: Convert to fraction form
   1,805,380/3,965,000 = 3,965,000/x
3. Step 3: Cross multiply
   1,805,380x = 3,965,000 × 3,965,000
4. Step 4: Simplify right side
   1,805,380x = 15,721,225,000,000
5. Step 5: Solve for x
   x = 15,721,225,000,000/1,805,380
6. Step 6: Final answer
   x = 8,707,986.68