Finding the Third Proportional to 1,271,616 and 2,647,776

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,616 : 2,647,776 = 2,647,776 : x
2. Step 2: Convert to fraction form
   1,271,616/2,647,776 = 2,647,776/x
3. Step 3: Cross multiply
   1,271,616x = 2,647,776 × 2,647,776
4. Step 4: Simplify right side
   1,271,616x = 7,010,717,746,176
5. Step 5: Solve for x
   x = 7,010,717,746,176/1,271,616
6. Step 6: Final answer
   x = 5,513,234.93