Finding the Third Proportional to 1,333,647 and 2,920,257

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,647 : 2,920,257 = 2,920,257 : x
2. Step 2: Convert to fraction form
   1,333,647/2,920,257 = 2,920,257/x
3. Step 3: Cross multiply
   1,333,647x = 2,920,257 × 2,920,257
4. Step 4: Simplify right side
   1,333,647x = 8,527,900,946,049
5. Step 5: Solve for x
   x = 8,527,900,946,049/1,333,647
6. Step 6: Final answer
   x = 6,394,421.42