Finding the Third Proportional to 1,260,816 and 2,731,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,816 : 2,731,648 = 2,731,648 : x
2. Step 2: Convert to fraction form
   1,260,816/2,731,648 = 2,731,648/x
3. Step 3: Cross multiply
   1,260,816x = 2,731,648 × 2,731,648
4. Step 4: Simplify right side
   1,260,816x = 7,461,900,795,904
5. Step 5: Solve for x
   x = 7,461,900,795,904/1,260,816
6. Step 6: Final answer
   x = 5,918,310.68